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40490881302 = 2397102168141
BaseRepresentation
bin100101101101011100…
…011101000100010110
310212111212201220001110
4211231130131010112
51130411131200202
630333512035450
72632254545424
oct455534350426
9125455656043
1040490881302
1116199057473
127a20392b86
133a83993c81
141d6186c114
1510beb4d26c
hex96d71d116

40490881302 has 32 divisors (see below), whose sum is σ = 81897961824. Its totient is φ = 13344537600.

The previous prime is 40490881283. The next prime is 40490881309. The reversal of 40490881302 is 20318809404.

40490881302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×404908813022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40490881309) 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, 560152 + ... + 628292.

It is an arithmetic number, because the mean of its divisors is an integer number (2559311307).

Almost surely, 240490881302 is an apocalyptic number.

40490881302 is an abundant number, since it is smaller than the sum of its proper divisors (41407080522).

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

40490881302 is a wasteful number, since it uses less digits than its factorization.

40490881302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69264.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 40490881302 in words is "forty billion, four hundred ninety million, eight hundred eighty-one thousand, three hundred two".

Divisors: 1 2 3 6 97 194 291 582 1021 2042 3063 6126 68141 99037 136282 198074 204423 297111 408846 594222 6609677 13219354 19829031 39658062 69571961 139143922 208715883 417431766 6748480217 13496960434 20245440651 40490881302