40105536 has 56 divisors (see below), whose sum is σ = 107350560. Its totient is φ = 13212672.

The previous prime is 40105489. The next prime is 40105553. The reversal of 40105536 is 63550104.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15915 + ... + 18261.

Almost surely, 2^40105536 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 40105536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53675280).

40105536 is an abundant number, since it is smaller than the sum of its proper divisors (67245024).

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

40105536 is a wasteful number, since it uses less digits than its factorization.

40105536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 40105536 is about 6332.8931776874. The cubic root of 40105536 is about 342.2956985714.

The spelling of 40105536 in words is "forty million, one hundred five thousand, five hundred thirty-six".