40929012 has 18 divisors (see below), whose sum is σ = 103459538. Its totient is φ = 13642992.

The previous prime is 40929011. The next prime is 40929017. The reversal of 40929012 is 21092904.

It can be written as a sum of positive squares in only one way, i.e., 25765776 + 15163236 = 5076^2 + 3894^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×40929012² = 3350368046592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40929011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568423 + ... + 568494.

Almost surely, 2^40929012 is an apocalyptic number.

It is an amenable number.

40929012 is an abundant number, since it is smaller than the sum of its proper divisors (62530526).

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

40929012 is a wasteful number, since it uses less digits than its factorization.

40929012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136927 (or 1136922 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40929012 is about 6397.5786044409. The cubic root of 40929012 is about 344.6225992785.

The spelling of 40929012 in words is "forty million, nine hundred twenty-nine thousand, twelve".