40100736 has 128 divisors (see below), whose sum is σ = 119095200. Its totient is φ = 11870208.

The previous prime is 40100719. The next prime is 40100743. The reversal of 40100736 is 63700104.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144630 + ... + 144906.

Almost surely, 2^40100736 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 40100736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59547600).

40100736 is an abundant number, since it is smaller than the sum of its proper divisors (78994464).

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

40100736 is a wasteful number, since it uses less digits than its factorization.

40100736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 40100736 is about 6332.5141926410. The cubic root of 40100736 is about 342.2820422281.

The spelling of 40100736 in words is "forty million, one hundred thousand, seven hundred thirty-six".