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40764687320 = 2357329944131
BaseRepresentation
bin100101111101110000…
…111100001111011000
310220012221221200022002
4211331300330033120
51131441224443240
630421012420132
72642121060620
oct457560741730
9126187850262
1040764687320
111631966aa35
127a98017648
133ac8620276
141d89d83880
1510d8bd5d15
hex97dc3c3d8

40764687320 has 64 divisors (see below), whose sum is σ = 104857632000. Its totient is φ = 13971911040.

The previous prime is 40764687319. The next prime is 40764687329. The reversal of 40764687320 is 2378646704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40764687329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901655 + ... + 945785.

It is an arithmetic number, because the mean of its divisors is an integer number (1638400500).

Almost surely, 240764687320 is an apocalyptic number.

40764687320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40764687320 is an abundant number, since it is smaller than the sum of its proper divisors (64092944680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40764687320 is a wasteful number, since it uses less digits than its factorization.

40764687320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47448 (or 47444 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 40764687320 in words is "forty billion, seven hundred sixty-four million, six hundred eighty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 3299 6598 13196 16495 23093 26392 32990 44131 46186 65980 88262 92372 115465 131960 176524 184744 220655 230930 308917 353048 441310 461860 617834 882620 923720 1235668 1544585 1765240 2471336 3089170 6178340 12356680 145588169 291176338 582352676 727940845 1019117183 1164705352 1455881690 2038234366 2911763380 4076468732 5095585915 5823526760 8152937464 10191171830 20382343660 40764687320