13925018400 has 144 divisors (see below), whose sum is σ = 45418968000. Its totient is φ = 3705717760.

The previous prime is 13925018383. The next prime is 13925018431. The reversal of 13925018400 is 481052931.

It is a super-2 number, since 2×13925018400² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215901 + ... + 1227299.

It is an arithmetic number, because the mean of its divisors is an integer number (315409500).

Almost surely, 2^13925018400 is an apocalyptic number.

13925018400 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 13925018400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22709484000).

13925018400 is an abundant number, since it is smaller than the sum of its proper divisors (31493949600).

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

13925018400 is a wasteful number, since it uses less digits than its factorization.

13925018400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931 (or 11918 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 13925018400 in words is "thirteen billion, nine hundred twenty-five million, eighteen thousand, four hundred".