40537512 has 24 divisors (see below), whose sum is σ = 109789290. Its totient is φ = 13512480.

The previous prime is 40537501. The next prime is 40537529. The reversal of 40537512 is 21573504.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27185796 + 13351716 = 5214^2 + 3654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281439 + ... + 281582.

Almost surely, 2^40537512 is an apocalyptic number.

It is an amenable number.

40537512 is an abundant number, since it is smaller than the sum of its proper divisors (69251778).

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

40537512 is a wasteful number, since it uses less digits than its factorization.

40537512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563033 (or 563026 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40537512 is about 6366.9075696134. The cubic root of 40537512 is about 343.5202660252.

The spelling of 40537512 in words is "forty million, five hundred thirty-seven thousand, five hundred twelve".