5255156628440 has 32 divisors (see below), whose sum is σ = 11825401302000. Its totient is φ = 2101831737984.

The previous prime is 5255156628431. The next prime is 5255156628451. The reversal of 5255156628440 is 448266515525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6847130 + ... + 7575849.

Almost surely, 2^{5255156628440} is an apocalyptic number.

It is an amenable number.

5255156628440 is an abundant number, since it is smaller than the sum of its proper divisors (6570244673560).

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

5255156628440 is a wasteful number, since it uses less digits than its factorization.

5255156628440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432099 (or 14432095 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 5255156628440 in words is "five trillion, two hundred fifty-five billion, one hundred fifty-six million, six hundred twenty-eight thousand, four hundred forty".