5256652405440 has 112 divisors (see below), whose sum is σ = 16700692601088. Its totient is φ = 1400865106944.

The previous prime is 5256652405429. The next prime is 5256652405481. The reversal of 5256652405440 is 445042566525.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5256652405440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293082 + ... + 3255641.

Almost surely, 2^{5256652405440} 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 5256652405440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8350346300544).

5256652405440 is an abundant number, since it is smaller than the sum of its proper divisors (11444040195648).

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

5256652405440 is a wasteful number, since it uses less digits than its factorization.

5256652405440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550286 (or 3550276 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 5256652405440 in words is "five trillion, two hundred fifty-six billion, six hundred fifty-two million, four hundred five thousand, four hundred forty".