402546404645204 has 24 divisors (see below), whose sum is σ = 715624616259168. Its totient is φ = 198087725515680.

The previous prime is 402546404645191. The next prime is 402546404645237.

It is a happy number.

402546404645204 is nontrivially palindromic in base 10.

It is a congruent number.

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, 686824562 + ... + 687410409.

It is an arithmetic number, because the mean of its divisors is an integer number (29817692344132).

Almost surely, 2^{402546404645204} is an apocalyptic number.

It is an amenable number.

402546404645204 is a deficient number, since it is larger than the sum of its proper divisors (313078211613964).

402546404645204 is a wasteful number, since it uses less digits than its factorization.

402546404645204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374236135 (or 1374236133 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 50.

It can be divided in two parts, 40254640 and 4645204, that added together give a palindrome (44899844).

The spelling of 402546404645204 in words is "four hundred two trillion, five hundred forty-six billion, four hundred four million, six hundred forty-five thousand, two hundred four".