40900104 has 72 divisors (see below), whose sum is σ = 128867310. Its totient is φ = 11684736.

The previous prime is 40900099. The next prime is 40900109. The reversal of 40900104 is 40100904.

It is an interprime number because it is at equal distance from previous prime (40900099) and next prime (40900109).

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 15920100 = 4998^2 + 3990^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (40900109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2269 + ... + 9324.

Almost surely, 2^40900104 is an apocalyptic number.

It is an amenable number.

40900104 is an abundant number, since it is smaller than the sum of its proper divisors (87967206).

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

40900104 is a wasteful number, since it uses less digits than its factorization.

40900104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11619 (or 11605 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 40900104 is about 6395.3189130801. The cubic root of 40900104 is about 344.5414449742.

The spelling of 40900104 in words is "forty million, nine hundred thousand, one hundred four".