40538252 has 24 divisors (see below), whose sum is σ = 72769536. Its totient is φ = 19750928.

The previous prime is 40538243. The next prime is 40538291. The reversal of 40538252 is 25283504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71723 + ... + 72285.

It is an arithmetic number, because the mean of its divisors is an integer number (3032064).

Almost surely, 2^40538252 is an apocalyptic number.

It is an amenable number.

40538252 is a deficient number, since it is larger than the sum of its proper divisors (32231284).

40538252 is a wasteful number, since it uses less digits than its factorization.

40538252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40538252 is about 6366.9656823325. The cubic root of 40538252 is about 343.5223562987.

The spelling of 40538252 in words is "forty million, five hundred thirty-eight thousand, two hundred fifty-two".