15398484480 has 160 divisors (see below), whose sum is σ = 54696945600. Its totient is φ = 4106244096.

The previous prime is 15398484461. The next prime is 15398484499. The reversal of 15398484480 is 8448489351.

It is a happy number.

15398484480 is a `hidden beast` number, since 1 + 5 + 3 + 9 + 84 + 84 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (15398484461) and next prime (15398484499).

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×15398484480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 42270 + ... + 180509.

It is an arithmetic number, because the mean of its divisors is an integer number (341855910).

Almost surely, 2^15398484480 is an apocalyptic number.

15398484480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15398484480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27348472800).

15398484480 is an abundant number, since it is smaller than the sum of its proper divisors (39298461120).

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

15398484480 is an equidigital number, since it uses as much as digits as its factorization.

15398484480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222811 (or 222789 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 15398484480 in words is "fifteen billion, three hundred ninety-eight million, four hundred eighty-four thousand, four hundred eighty".