40752436 has 12 divisors (see below), whose sum is σ = 71404228. Its totient is φ = 20351232.

The previous prime is 40752409. The next prime is 40752449. The reversal of 40752436 is 63425704.

It can be written as a sum of positive squares in 2 ways, for example, as 24800400 + 15952036 = 4980^2 + 3994^2 .

It is a super-2 number, since 2×40752436² = 3321522079868192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40752398 and 40752407.

It is a congruent number.

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, 2301 + ... + 9316.

Almost surely, 2^40752436 is an apocalyptic number.

It is an amenable number.

40752436 is a deficient number, since it is larger than the sum of its proper divisors (30651792).

40752436 is a wasteful number, since it uses less digits than its factorization.

40752436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498 (or 12496 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 40752436 is about 6383.7634667961. The cubic root of 40752436 is about 344.1262944421.

The spelling of 40752436 in words is "forty million, seven hundred fifty-two thousand, four hundred thirty-six".