16013252400 has 60 divisors (see below), whose sum is σ = 51295789032. Its totient is φ = 4270200320.

The previous prime is 16013252377. The next prime is 16013252401. The reversal of 16013252400 is 425231061.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×16013252400² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (16013252401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6670989 + ... + 6673388.

Almost surely, 2^16013252400 is an apocalyptic number.

16013252400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16013252400 is an abundant number, since it is smaller than the sum of its proper divisors (35282536632).

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

16013252400 is a wasteful number, since it uses less digits than its factorization.

16013252400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344398 (or 13344387 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 16013252400 its reverse (425231061), we get a palindrome (16438483461).

The spelling of 16013252400 in words is "sixteen billion, thirteen million, two hundred fifty-two thousand, four hundred".