15304425240 has 64 divisors (see below), whose sum is σ = 49445071200. Its totient is φ = 3767242752.

The previous prime is 15304425173. The next prime is 15304425251. The reversal of 15304425240 is 4252440351.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15304425198 and 15304425207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903705 + ... + 4906824.

Almost surely, 2^15304425240 is an apocalyptic number.

15304425240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15304425240 is an abundant number, since it is smaller than the sum of its proper divisors (34140645960).

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

15304425240 is a wasteful number, since it uses less digits than its factorization.

15304425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810556 (or 9810552 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 15304425240 its reverse (4252440351), we get a palindrome (19556865591).

The spelling of 15304425240 in words is "fifteen billion, three hundred four million, four hundred twenty-five thousand, two hundred forty".