15040450404 has 36 divisors (see below), whose sum is σ = 43450190784. Its totient is φ = 4297271472.

The previous prime is 15040450393. The next prime is 15040450427. The reversal of 15040450404 is 40405404051.

15040450404 is a `hidden beast` number, since 150 + 4 + 0 + 4 + 504 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29841912 + ... + 29842415.

It is an arithmetic number, because the mean of its divisors is an integer number (1206949744).

Almost surely, 2^15040450404 is an apocalyptic number.

15040450404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15040450404 is an abundant number, since it is smaller than the sum of its proper divisors (28409740380).

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

15040450404 is a wasteful number, since it uses less digits than its factorization.

15040450404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59684344 (or 59684339 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 15040450404 its reverse (40405404051), we get a palindrome (55445854455).

The spelling of 15040450404 in words is "fifteen billion, forty million, four hundred fifty thousand, four hundred four".