40537272 has 16 divisors (see below), whose sum is σ = 101343240. Its totient is φ = 13512416.

The previous prime is 40537249. The next prime is 40537297. The reversal of 40537272 is 27273504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844503 + ... + 844550.

Almost surely, 2^40537272 is an apocalyptic number.

It is an amenable number.

40537272 is an abundant number, since it is smaller than the sum of its proper divisors (60805968).

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

40537272 is a wasteful number, since it uses less digits than its factorization.

40537272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689062 (or 1689058 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40537272 is about 6366.8887221311. Note that the first 3 decimals coincide. The cubic root of 40537272 is about 343.5195880933.

It can be divided in two parts, 4053 and 7272, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 40537272 in words is "forty million, five hundred thirty-seven thousand, two hundred seventy-two".