40108536 has 96 divisors (see below), whose sum is σ = 118787760. Its totient is φ = 12151296.

The previous prime is 40108511. The next prime is 40108547. The reversal of 40108536 is 63580104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68035 + ... + 68621.

Almost surely, 2^40108536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40108536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59393880).

40108536 is an abundant number, since it is smaller than the sum of its proper divisors (78679224).

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

40108536 is a wasteful number, since it uses less digits than its factorization.

40108536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40108536 is about 6333.1300318247. The cubic root of 40108536 is about 342.3042332327.

The spelling of 40108536 in words is "forty million, one hundred eight thousand, five hundred thirty-six".