5155439226 has 32 divisors (see below), whose sum is σ = 11905353600. Its totient is φ = 1457796096.

The previous prime is 5155439207. The next prime is 5155439239. The reversal of 5155439226 is 6229345515.

It is a happy number.

It is a super-2 number, since 2×5155439226² = 53157107225958958152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 628651 + ... + 636798.

It is an arithmetic number, because the mean of its divisors is an integer number (372042300).

Almost surely, 2^5155439226 is an apocalyptic number.

5155439226 is an abundant number, since it is smaller than the sum of its proper divisors (6749914374).

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

5155439226 is a wasteful number, since it uses less digits than its factorization.

5155439226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265558.

The product of its digits is 324000, while the sum is 42.

The square root of 5155439226 is about 71801.3873542845. The cubic root of 5155439226 is about 1727.5152525909.

The spelling of 5155439226 in words is "five billion, one hundred fifty-five million, four hundred thirty-nine thousand, two hundred twenty-six".