40137580 has 24 divisors (see below), whose sum is σ = 96330528. Its totient is φ = 13761408.

The previous prime is 40137571. The next prime is 40137583. The reversal of 40137580 is 8573104.

40137580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40137580² = 3222050656512800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (40137583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143209 + ... + 143488.

It is an arithmetic number, because the mean of its divisors is an integer number (4013772).

Almost surely, 2^40137580 is an apocalyptic number.

It is an amenable number.

40137580 is an abundant number, since it is smaller than the sum of its proper divisors (56192948).

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

40137580 is a wasteful number, since it uses less digits than its factorization.

40137580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286713 (or 286711 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40137580 is about 6335.4226378356. The cubic root of 40137580 is about 342.3868381372.

The spelling of 40137580 in words is "forty million, one hundred thirty-seven thousand, five hundred eighty".