402000013252 has 12 divisors (see below), whose sum is σ = 720658560636. Its totient is φ = 196097567360.

The previous prime is 402000013241. The next prime is 402000013271. The reversal of 402000013252 is 252310000204.

It can be written as a sum of positive squares in 2 ways, for example, as 41479024896 + 360520988356 = 203664^2 + 600434^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225609633 + ... + 1225609960.

It is an arithmetic number, because the mean of its divisors is an integer number (60054880053).

Almost surely, 2^402000013252 is an apocalyptic number.

It is an amenable number.

402000013252 is a deficient number, since it is larger than the sum of its proper divisors (318658547384).

402000013252 is a wasteful number, since it uses less digits than its factorization.

402000013252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451219638 (or 2451219636 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 402000013252 its reverse (252310000204), we get a palindrome (654310013456).

The spelling of 402000013252 in words is "four hundred two billion, thirteen thousand, two hundred fifty-two".