15454251480 has 64 divisors (see below), whose sum is σ = 46383321600. Its totient is φ = 4119305600.

The previous prime is 15454251457. The next prime is 15454251487. The reversal of 15454251480 is 8415245451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15454251487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254731 + ... + 309509.

It is an arithmetic number, because the mean of its divisors is an integer number (724739400).

Almost surely, 2^15454251480 is an apocalyptic number.

15454251480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15454251480 is an abundant number, since it is smaller than the sum of its proper divisors (30929070120).

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

15454251480 is a wasteful number, since it uses less digits than its factorization.

15454251480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57144 (or 57140 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 15454251480 in words is "fifteen billion, four hundred fifty-four million, two hundred fifty-one thousand, four hundred eighty".