56172402514140 has 384 divisors, whose sum is σ = 189634051031040. Its totient is φ = 12255334502400.

The previous prime is 56172402514091. The next prime is 56172402514141. The reversal of 56172402514140 is 4141520427165.

It is a junction number, because it is equal to n+sod(n) for n = 56172402514092 and 56172402514101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56172402514141) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 840984145 + ... + 841050935.

It is an arithmetic number, because the mean of its divisors is an integer number (493838674560).

Almost surely, 2^{56172402514140} 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 56172402514140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94817025515520).

56172402514140 is an abundant number, since it is smaller than the sum of its proper divisors (133461648516900).

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

56172402514140 is a wasteful number, since it uses less digits than its factorization.

56172402514140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70113 (or 70111 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 56172402514140 in words is "fifty-six trillion, one hundred seventy-two billion, four hundred two million, five hundred fourteen thousand, one hundred forty".