15456395480 has 32 divisors (see below), whose sum is σ = 34832060640. Its totient is φ = 6172750080.

The previous prime is 15456395477. The next prime is 15456395483. The reversal of 15456395480 is 8459365451.

It is an interprime number because it is at equal distance from previous prime (15456395477) and next prime (15456395483).

It is a super-2 number, since 2×15456395480² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15456395483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280949 + ... + 331428.

It is an arithmetic number, because the mean of its divisors is an integer number (1088501895).

Almost surely, 2^15456395480 is an apocalyptic number.

15456395480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15456395480 is an abundant number, since it is smaller than the sum of its proper divisors (19375665160).

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

15456395480 is a wasteful number, since it uses less digits than its factorization.

15456395480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613019 (or 613015 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 15456395480 in words is "fifteen billion, four hundred fifty-six million, three hundred ninety-five thousand, four hundred eighty".