5156446402 has 4 divisors (see below), whose sum is σ = 7734669606. Its totient is φ = 2578223200.

The previous prime is 5156446391. The next prime is 5156446433. The reversal of 5156446402 is 2046446515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2592948241 + 2563498161 = 50921^2 + 50631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289111599 + ... + 1289111602.

Almost surely, 2^5156446402 is an apocalyptic number.

5156446402 is a deficient number, since it is larger than the sum of its proper divisors (2578223204).

5156446402 is a wasteful number, since it uses less digits than its factorization.

5156446402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578223203.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 5156446402 is about 71808.4006366943. The cubic root of 5156446402 is about 1727.6277421082.

The spelling of 5156446402 in words is "five billion, one hundred fifty-six million, four hundred forty-six thousand, four hundred two".