40757532 has 12 divisors (see below), whose sum is σ = 95100936. Its totient is φ = 13585840.

The previous prime is 40757531. The next prime is 40757537. The reversal of 40757532 is 23575704.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40757532² = 3322352829462048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40757493 and 40757502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40757531) 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, 1698219 + ... + 1698242.

It is an arithmetic number, because the mean of its divisors is an integer number (7925078).

Almost surely, 2^40757532 is an apocalyptic number.

It is an amenable number.

40757532 is an abundant number, since it is smaller than the sum of its proper divisors (54343404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40757532 is a wasteful number, since it uses less digits than its factorization.

40757532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396468 (or 3396466 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 40757532 is about 6384.1625919145. The cubic root of 40757532 is about 344.1406379160.

The spelling of 40757532 in words is "forty million, seven hundred fifty-seven thousand, five hundred thirty-two".