52045400402 has 16 divisors (see below), whose sum is σ = 78157094400. Its totient is φ = 25993056240.

The previous prime is 52045400389. The next prime is 52045400413. The reversal of 52045400402 is 20400454025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8352224 + ... + 8358452.

It is an arithmetic number, because the mean of its divisors is an integer number (4884818400).

Almost surely, 2^52045400402 is an apocalyptic number.

52045400402 is a deficient number, since it is larger than the sum of its proper divisors (26111693998).

52045400402 is a wasteful number, since it uses less digits than its factorization.

52045400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 52045400402 its reverse (20400454025), we get a palindrome (72445854427).

The spelling of 52045400402 in words is "fifty-two billion, forty-five million, four hundred thousand, four hundred two".