40108537 has 32 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 31449600.

The previous prime is 40108511. The next prime is 40108547. The reversal of 40108537 is 73580104.

It is not a de Polignac number, because 40108537 - 2²³ = 31719929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40108507) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 507664 + ... + 507742.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^40108537 is an apocalyptic number.

It is an amenable number.

40108537 is a deficient number, since it is larger than the sum of its proper divisors (9888263).

40108537 is a wasteful number, since it uses less digits than its factorization.

40108537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

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

The square root of 40108537 is about 6333.1301107746. The cubic root of 40108537 is about 342.3042360775.

The spelling of 40108537 in words is "forty million, one hundred eight thousand, five hundred thirty-seven".