40458252 has 24 divisors (see below), whose sum is σ = 94587696. Its totient is φ = 13459648.

The previous prime is 40458251. The next prime is 40458259. The reversal of 40458252 is 25285404.

It is not an unprimeable number, because it can be changed into a prime (40458251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (3941154).

Almost surely, 2^40458252 is an apocalyptic number.

It is an amenable number.

40458252 is an abundant number, since it is smaller than the sum of its proper divisors (54129444).

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

40458252 is a wasteful number, since it uses less digits than its factorization.

40458252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617 (or 6615 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 40458252 is about 6360.6801523108. The cubic root of 40458252 is about 343.2962333578.

The spelling of 40458252 in words is "forty million, four hundred fifty-eight thousand, two hundred fifty-two".