5155458872 has 8 divisors (see below), whose sum is σ = 9666485400. Its totient is φ = 2577729432.

The previous prime is 5155458871. The next prime is 5155458907. The reversal of 5155458872 is 2788545515.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 5155458872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155458871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322216172 + ... + 322216187.

It is an arithmetic number, because the mean of its divisors is an integer number (1208310675).

Almost surely, 2^5155458872 is an apocalyptic number.

It is an amenable number.

5155458872 is a deficient number, since it is larger than the sum of its proper divisors (4511026528).

5155458872 is a wasteful number, since it uses less digits than its factorization.

5155458872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644432365 (or 644432361 counting only the distinct ones).

The product of its digits is 2240000, while the sum is 50.

The square root of 5155458872 is about 71801.5241620956. The cubic root of 5155458872 is about 1727.5174469543.

The spelling of 5155458872 in words is "five billion, one hundred fifty-five million, four hundred fifty-eight thousand, eight hundred seventy-two".