40451952 has 40 divisors (see below), whose sum is σ = 107329936. Its totient is φ = 13118976.

The previous prime is 40451947. The next prime is 40451981. The reversal of 40451952 is 25915404.

It is a super-2 number, since 2×40451952² = 3272720841220608, which contains 22 as substring.

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, 9613 + ... + 13164.

Almost surely, 2^40451952 is an apocalyptic number.

It is an amenable number.

40451952 is an abundant number, since it is smaller than the sum of its proper divisors (66877984).

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

40451952 is a wasteful number, since it uses less digits than its factorization.

40451952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825 (or 22819 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 40451952 is about 6360.1849029726. The cubic root of 40451952 is about 343.2784135194.

The spelling of 40451952 in words is "forty million, four hundred fifty-one thousand, nine hundred fifty-two".