40752532 has 6 divisors (see below), whose sum is σ = 71316938. Its totient is φ = 20376264.

The previous prime is 40752521. The next prime is 40752533. The reversal of 40752532 is 23525704.

It can be written as a sum of positive squares in only one way, i.e., 40525956 + 226576 = 6366^2 + 476^2 .

It is a super-2 number, since 2×40752532² = 3321537728822048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40752532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40752533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094063 + ... + 5094070.

Almost surely, 2^40752532 is an apocalyptic number.

It is an amenable number.

40752532 is a deficient number, since it is larger than the sum of its proper divisors (30564406).

40752532 is a wasteful number, since it uses less digits than its factorization.

40752532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188137 (or 10188135 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 40752532 is about 6383.7709858672. The cubic root of 40752532 is about 344.1265646598.

The spelling of 40752532 in words is "forty million, seven hundred fifty-two thousand, five hundred thirty-two".