15257398480 has 40 divisors (see below), whose sum is σ = 35499395304. Its totient is φ = 6098496000.

The previous prime is 15257398469. The next prime is 15257398483. The reversal of 15257398480 is 8489375251.

It is a happy number.

15257398480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21939856 + 15235458624 = 4684^2 + 123432^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15257398483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41430 + ... + 179530.

Almost surely, 2^15257398480 is an apocalyptic number.

15257398480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15257398480 is an abundant number, since it is smaller than the sum of its proper divisors (20241996824).

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

15257398480 is a wasteful number, since it uses less digits than its factorization.

15257398480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139495 (or 139489 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 15257398480 in words is "fifteen billion, two hundred fifty-seven million, three hundred ninety-eight thousand, four hundred eighty".