40572404 has 12 divisors (see below), whose sum is σ = 75178404. Its totient is φ = 19092864.

The previous prime is 40572383. The next prime is 40572409. The reversal of 40572404 is 40427504.

It can be written as a sum of positive squares in 2 ways, for example, as 12588304 + 27984100 = 3548^2 + 5290^2 .

It is a super-2 number, since 2×40572404² = 3292239932678432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40572409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298259 + ... + 298394.

It is an arithmetic number, because the mean of its divisors is an integer number (6264867).

Almost surely, 2^40572404 is an apocalyptic number.

It is an amenable number.

40572404 is a deficient number, since it is larger than the sum of its proper divisors (34606000).

40572404 is a wasteful number, since it uses less digits than its factorization.

40572404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596674 (or 596672 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40572404 is about 6369.6470859852. The cubic root of 40572404 is about 343.6187975764.

Adding to 40572404 its reverse (40427504), we get a palindrome (80999908).

The spelling of 40572404 in words is "forty million, five hundred seventy-two thousand, four hundred four".