15620862496 has 48 divisors (see below), whose sum is σ = 31490563104. Its totient is φ = 7623512064.

The previous prime is 15620862461. The next prime is 15620862497. The reversal of 15620862496 is 69426802651.

It is a super-2 number, since 2×15620862496² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15620862497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621056 + ... + 2627008.

It is an arithmetic number, because the mean of its divisors is an integer number (656053398).

Almost surely, 2^15620862496 is an apocalyptic number.

15620862496 is a gapful number since it is divisible by the number (16) 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 15620862496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15745281552).

15620862496 is an abundant number, since it is smaller than the sum of its proper divisors (15869700608).

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

15620862496 is a wasteful number, since it uses less digits than its factorization.

15620862496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913 (or 7905 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 15620862496 in words is "fifteen billion, six hundred twenty million, eight hundred sixty-two thousand, four hundred ninety-six".