40064554 has 8 divisors (see below), whose sum is σ = 60535908. Its totient is φ = 19885920.

The previous prime is 40064543. The next prime is 40064561. The reversal of 40064554 is 45546004.

It can be written as a sum of positive squares in 2 ways, for example, as 39350529 + 714025 = 6273^2 + 845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72837 + ... + 73384.

Almost surely, 2^40064554 is an apocalyptic number.

40064554 is a deficient number, since it is larger than the sum of its proper divisors (20471354).

40064554 is a wasteful number, since it uses less digits than its factorization.

40064554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146360.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40064554 is about 6329.6567047511. The cubic root of 40064554 is about 342.1790667660.

The spelling of 40064554 in words is "forty million, sixty-four thousand, five hundred fifty-four".