15497412480 has 384 divisors, whose sum is σ = 60548342400. Its totient is φ = 3756533760.

The previous prime is 15497412473. The next prime is 15497412493. The reversal of 15497412480 is 8421479451.

15497412480 is a `hidden beast` number, since 1 + 549 + 7 + 4 + 1 + 24 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1706191 + ... + 1715249.

It is an arithmetic number, because the mean of its divisors is an integer number (157677975).

Almost surely, 2^15497412480 is an apocalyptic number.

15497412480 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 15497412480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30274171200).

15497412480 is an abundant number, since it is smaller than the sum of its proper divisors (45050929920).

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

15497412480 is an equidigital number, since it uses as much as digits as its factorization.

15497412480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104 (or 9080 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 15497412480 in words is "fifteen billion, four hundred ninety-seven million, four hundred twelve thousand, four hundred eighty".