400024000202 has 8 divisors (see below), whose sum is σ = 600045773796. Its totient is φ = 200008742272.

The previous prime is 400024000127. The next prime is 400024000249. The reversal of 400024000202 is 202000420004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 395780650321 + 4243349881 = 629111^2 + 65141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472423 + ... + 1722810.

Almost surely, 2^400024000202 is an apocalyptic number.

400024000202 is a deficient number, since it is larger than the sum of its proper divisors (200021773594).

400024000202 is a wasteful number, since it uses less digits than its factorization.

400024000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257832.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 400024000202 its reverse (202000420004), we get a palindrome (602024420206).

The spelling of 400024000202 in words is "four hundred billion, twenty-four million, two hundred two", and thus it is an aban number.