40537250 has 32 divisors (see below), whose sum is σ = 81729648. Its totient is φ = 14966400.

The previous prime is 40537249. The next prime is 40537297. The reversal of 40537250 is 5273504.

It can be written as a sum of positive squares in 8 ways, for example, as 303601 + 40233649 = 551^2 + 6343^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 2987 + ... + 9486.

Almost surely, 2^40537250 is an apocalyptic number.

40537250 is an abundant number, since it is smaller than the sum of its proper divisors (41192398).

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

40537250 is a wasteful number, since it uses less digits than its factorization.

40537250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503 (or 12493 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 40537250 is about 6366.8869944424. The cubic root of 40537250 is about 343.5195259494.

The spelling of 40537250 in words is "forty million, five hundred thirty-seven thousand, two hundred fifty".