2552347408 has 80 divisors (see below), whose sum is σ = 5483149056. Its totient is φ = 1143567360.

The previous prime is 2552347393. The next prime is 2552347417. The reversal of 2552347408 is 8047432552.

It is a super-2 number, since 2×2552347408² = 13028954582248636928, which contains 22 as substring.

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, 1279660 + ... + 1281652.

Almost surely, 2^2552347408 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 2552347408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741574528).

2552347408 is an abundant number, since it is smaller than the sum of its proper divisors (2930801648).

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

2552347408 is a wasteful number, since it uses less digits than its factorization.

2552347408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 2552347408 is about 50520.7621478536. The cubic root of 2552347408 is about 1366.6162980710.

The spelling of 2552347408 in words is "two billion, five hundred fifty-two million, three hundred forty-seven thousand, four hundred eight".