3918529404 has 18 divisors (see below), whose sum is σ = 9905171640. Its totient is φ = 1306176456.

The previous prime is 3918529397. The next prime is 3918529409. The reversal of 3918529404 is 4049258193.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 3918529404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918529409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54423984 + ... + 54424055.

Almost surely, 2^3918529404 is an apocalyptic number.

It is an amenable number.

3918529404 is an abundant number, since it is smaller than the sum of its proper divisors (5986642236).

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

3918529404 is a wasteful number, since it uses less digits than its factorization.

3918529404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108848049 (or 108848044 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3918529404 is about 62598.1581518179. The cubic root of 3918529404 is about 1576.5498346702.

The spelling of 3918529404 in words is "three billion, nine hundred eighteen million, five hundred twenty-nine thousand, four hundred four".