40572818 has 16 divisors (see below), whose sum is σ = 71499456. Its totient is φ = 17023440.

The previous prime is 40572799. The next prime is 40572823. The reversal of 40572818 is 81827504.

40572818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40572818² = 3292307120922248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70646 + ... + 71217.

It is an arithmetic number, because the mean of its divisors is an integer number (4468716).

Almost surely, 2^40572818 is an apocalyptic number.

40572818 is a deficient number, since it is larger than the sum of its proper divisors (30926638).

40572818 is a wasteful number, since it uses less digits than its factorization.

40572818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141889.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 40572818 is about 6369.6795837781. The cubic root of 40572818 is about 343.6199663322.

The spelling of 40572818 in words is "forty million, five hundred seventy-two thousand, eight hundred eighteen".