15460485440 has 112 divisors (see below), whose sum is σ = 41032785600. Its totient is φ = 5514043392.

The previous prime is 15460485431. The next prime is 15460485461. The reversal of 15460485440 is 4458406451.

It is a super-2 number, since 2×15460485440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 28571 + ... + 178149.

Almost surely, 2^15460485440 is an apocalyptic number.

15460485440 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 15460485440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20516392800).

15460485440 is an abundant number, since it is smaller than the sum of its proper divisors (25572300160).

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

15460485440 is a wasteful number, since it uses less digits than its factorization.

15460485440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149632 (or 149622 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 15460485440 in words is "fifteen billion, four hundred sixty million, four hundred eighty-five thousand, four hundred forty".