40454572 has 24 divisors (see below), whose sum is σ = 76260800. Its totient is φ = 18715536.

The previous prime is 40454563. The next prime is 40454647. The reversal of 40454572 is 27545404.

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, 2922 + ... + 9457.

Almost surely, 2^40454572 is an apocalyptic number.

It is an amenable number.

40454572 is a deficient number, since it is larger than the sum of its proper divisors (35806228).

40454572 is a wasteful number, since it uses less digits than its factorization.

40454572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12445 (or 12443 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 40454572 is about 6360.3908684923. The cubic root of 40454572 is about 343.2858245340.

Adding to 40454572 its reverse (27545404), we get a palindrome (67999976).

The spelling of 40454572 in words is "forty million, four hundred fifty-four thousand, five hundred seventy-two".