5156356426 has 32 divisors (see below), whose sum is σ = 8641578960. Its totient is φ = 2291165184.

The previous prime is 5156356423. The next prime is 5156356427. The reversal of 5156356426 is 6246536515.

It can be written as a sum of positive squares in 8 ways, for example, as 957964401 + 4198392025 = 30951^2 + 64795^2 .

It is not an unprimeable number, because it can be changed into a prime (5156356423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256476 + ... + 275848.

Almost surely, 2^5156356426 is an apocalyptic number.

5156356426 is a deficient number, since it is larger than the sum of its proper divisors (3485222534).

5156356426 is a wasteful number, since it uses less digits than its factorization.

5156356426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19770.

The product of its digits is 648000, while the sum is 43.

The square root of 5156356426 is about 71807.7741334460. The cubic root of 5156356426 is about 1727.6176934607.

The spelling of 5156356426 in words is "five billion, one hundred fifty-six million, three hundred fifty-six thousand, four hundred twenty-six".