40237492 has 12 divisors (see below), whose sum is σ = 71039556. Its totient is φ = 19940480.

The previous prime is 40237433. The next prime is 40237501. The reversal of 40237492 is 29473204.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 28772496 = 3386^2 + 5364^2 .

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, 44059 + ... + 44962.

It is an arithmetic number, because the mean of its divisors is an integer number (5919963).

Almost surely, 2^40237492 is an apocalyptic number.

It is an amenable number.

40237492 is a deficient number, since it is larger than the sum of its proper divisors (30802064).

40237492 is a wasteful number, since it uses less digits than its factorization.

40237492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89138 (or 89136 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40237492 is about 6343.3029251329. The cubic root of 40237492 is about 342.6706968763.

The spelling of 40237492 in words is "forty million, two hundred thirty-seven thousand, four hundred ninety-two".