5257388406 has 8 divisors (see below), whose sum is σ = 10514776824. Its totient is φ = 1752462800.

The previous prime is 5257388317. The next prime is 5257388413. The reversal of 5257388406 is 6048837525.

It is a sphenic number, since it is the product of 3 distinct primes.

5257388406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438115695 + ... + 438115706.

It is an arithmetic number, because the mean of its divisors is an integer number (1314347103).

Almost surely, 2^5257388406 is an apocalyptic number.

5257388406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5257388406 is a wasteful number, since it uses less digits than its factorization.

5257388406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876231406.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 5257388406 is about 72507.8506508088. The cubic root of 5257388406 is about 1738.8282512633.

The spelling of 5257388406 in words is "five billion, two hundred fifty-seven million, three hundred eighty-eight thousand, four hundred six".