402134400002 has 16 divisors (see below), whose sum is σ = 638705253240. Its totient is φ = 189233434368.

The previous prime is 402134399987. The next prime is 402134400023. The reversal of 402134400002 is 200004431204.

It can be written as a sum of positive squares in 4 ways, for example, as 313847568841 + 88286831161 = 560221^2 + 297131^2 .

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, 937628 + ... + 1297464.

Almost surely, 2^402134400002 is an apocalyptic number.

402134400002 is a deficient number, since it is larger than the sum of its proper divisors (236570853238).

402134400002 is a wasteful number, since it uses less digits than its factorization.

402134400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392725.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402134400002 its reverse (200004431204), we get a palindrome (602138831206).

The spelling of 402134400002 in words is "four hundred two billion, one hundred thirty-four million, four hundred thousand, two".