40458952 has 8 divisors (see below), whose sum is σ = 75860550. Its totient is φ = 20229472.

The previous prime is 40458919. The next prime is 40458953. The reversal of 40458952 is 25985404.

It can be written as a sum of positive squares in only one way, i.e., 27311076 + 13147876 = 5226^2 + 3626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40458953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528677 + ... + 2528692.

Almost surely, 2^40458952 is an apocalyptic number.

It is an amenable number.

40458952 is a deficient number, since it is larger than the sum of its proper divisors (35401598).

40458952 is a wasteful number, since it uses less digits than its factorization.

40458952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057375 (or 5057371 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 40458952 is about 6360.7351776347. The cubic root of 40458952 is about 343.2982132256.

The spelling of 40458952 in words is "forty million, four hundred fifty-eight thousand, nine hundred fifty-two".