15464340480 has 352 divisors, whose sum is σ = 51731784000. Its totient is φ = 3937927168.

The previous prime is 15464340473. The next prime is 15464340481. The reversal of 15464340480 is 8404346451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15464340481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66370444 + ... + 66370676.

Almost surely, 2^15464340480 is an apocalyptic number.

15464340480 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 15464340480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25865892000).

15464340480 is an abundant number, since it is smaller than the sum of its proper divisors (36267443520).

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

15464340480 is a wasteful number, since it uses less digits than its factorization.

15464340480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 15464340480 in words is "fifteen billion, four hundred sixty-four million, three hundred forty thousand, four hundred eighty".