40534912 has 32 divisors (see below), whose sum is σ = 88097400. Its totient is φ = 18424320.

The previous prime is 40534909. The next prime is 40534913. The reversal of 40534912 is 21943504.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12987 + ... + 15802.

Almost surely, 2^40534912 is an apocalyptic number.

It is an amenable number.

40534912 is an abundant number, since it is smaller than the sum of its proper divisors (47562488).

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

40534912 is a wasteful number, since it uses less digits than its factorization.

40534912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28814 (or 28802 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40534912 is about 6366.7033855835. The cubic root of 40534912 is about 343.5129216197.

The spelling of 40534912 in words is "forty million, five hundred thirty-four thousand, nine hundred twelve".