40115016 has 24 divisors (see below), whose sum is σ = 108645030. Its totient is φ = 13371648.

The previous prime is 40114981. The next prime is 40115039. The reversal of 40115016 is 61051104.

It can be written as a sum of positive squares in only one way, i.e., 39012516 + 1102500 = 6246^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 40115016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278505 + ... + 278648.

Almost surely, 2^40115016 is an apocalyptic number.

It is an amenable number.

40115016 is an abundant number, since it is smaller than the sum of its proper divisors (68530014).

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

40115016 is a wasteful number, since it uses less digits than its factorization.

40115016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557165 (or 557158 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 40115016 is about 6333.6416065325. The cubic root of 40115016 is about 342.3226666487.

The spelling of 40115016 in words is "forty million, one hundred fifteen thousand, sixteen".