40037952 has 56 divisors (see below), whose sum is σ = 106712512. Its totient is φ = 13248000.

The previous prime is 40037947. The next prime is 40037999. The reversal of 40037952 is 25973004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28302 + ... + 29682.

Almost surely, 2^40037952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40037952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53356256).

40037952 is an abundant number, since it is smaller than the sum of its proper divisors (66674560).

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

40037952 is a wasteful number, since it uses less digits than its factorization.

40037952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 40037952 is about 6327.5549780306. The cubic root of 40037952 is about 342.1033168240.

The spelling of 40037952 in words is "forty million, thirty-seven thousand, nine hundred fifty-two".