56140262530440 has 256 divisors, whose sum is σ = 184145322240000. Its totient is φ = 13579156684800.

The previous prime is 56140262530427. The next prime is 56140262530459. The reversal of 56140262530440 is 4403526204165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56140262530392 and 56140262530401.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1268311749 + ... + 1268356011.

It is an arithmetic number, because the mean of its divisors is an integer number (719317665000).

Almost surely, 2^{56140262530440} 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 56140262530440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92072661120000).

56140262530440 is an abundant number, since it is smaller than the sum of its proper divisors (128005059709560).

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

56140262530440 is a wasteful number, since it uses less digits than its factorization.

56140262530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46428 (or 46424 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 56140262530440 in words is "fifty-six trillion, one hundred forty billion, two hundred sixty-two million, five hundred thirty thousand, four hundred forty".