40434672 has 40 divisors (see below), whose sum is σ = 104886144. Its totient is φ = 13422784.

The previous prime is 40434631. The next prime is 40434697. The reversal of 40434672 is 27643404.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11023 + ... + 14225.

Almost surely, 2^40434672 is an apocalyptic number.

It is an amenable number.

40434672 is an abundant number, since it is smaller than the sum of its proper divisors (64451472).

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

40434672 is a wasteful number, since it uses less digits than its factorization.

40434672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 40434672 is about 6358.8263067959. The cubic root of 40434672 is about 343.2295267493.

The spelling of 40434672 in words is "forty million, four hundred thirty-four thousand, six hundred seventy-two".