15425402406 has 16 divisors (see below), whose sum is σ = 31845992448. Its totient is φ = 4975936200.

The previous prime is 15425402381. The next prime is 15425402483. The reversal of 15425402406 is 60420452451.

15425402406 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41465950 + ... + 41466321.

It is an arithmetic number, because the mean of its divisors is an integer number (1990374528).

Almost surely, 2^15425402406 is an apocalyptic number.

15425402406 is an abundant number, since it is smaller than the sum of its proper divisors (16420590042).

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

15425402406 is a wasteful number, since it uses less digits than its factorization.

15425402406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82932307.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 15425402406 its reverse (60420452451), we get a palindrome (75845854857).

The spelling of 15425402406 in words is "fifteen billion, four hundred twenty-five million, four hundred two thousand, four hundred six".