102555251424 has 144 divisors (see below), whose sum is σ = 300268790640. Its totient is φ = 33178429440.

The previous prime is 102555251413. The next prime is 102555251443. The reversal of 102555251424 is 424152555201.

102555251424 is a `hidden beast` number, since 10 + 2 + 5 + 552 + 51 + 42 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 4346539 + ... + 4370069.

It is an arithmetic number, because the mean of its divisors is an integer number (2085199935).

Almost surely, 2^102555251424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102555251424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150134395320).

102555251424 is an abundant number, since it is smaller than the sum of its proper divisors (197713539216).

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

102555251424 is a wasteful number, since it uses less digits than its factorization.

102555251424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23993 (or 23982 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 102555251424 in words is "one hundred two billion, five hundred fifty-five million, two hundred fifty-one thousand, four hundred twenty-four".