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40440276240 = 24357313233153
BaseRepresentation
bin100101101010011011…
…011010010100010000
310212101100111212221220
4211222123122110100
51130310202314430
630324503245040
72631101451000
oct455233322420
9125340455856
1040440276240
1116172533101
127a07449780
133a76356350
141d58c58000
1510ba4a4110
hex96a6da510

40440276240 has 1280 divisors, whose sum is σ = 172788940800. Its totient is φ = 7749181440.

The previous prime is 40440276203. The next prime is 40440276313. The reversal of 40440276240 is 4267204404.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 763024054 + ... + 763024106.

It is an arithmetic number, because the mean of its divisors is an integer number (134991360).

Almost surely, 240440276240 is an apocalyptic number.

40440276240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40440276240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86394470400).

40440276240 is an abundant number, since it is smaller than the sum of its proper divisors (132348664560).

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

40440276240 is a wasteful number, since it uses less digits than its factorization.

40440276240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The spelling of 40440276240 in words is "forty billion, four hundred forty million, two hundred seventy-six thousand, two hundred forty".