4000400000202 has 32 divisors (see below), whose sum is σ = 8026129612800. Its totient is φ = 1329246632448.

The previous prime is 4000400000167. The next prime is 4000400000209. The reversal of 4000400000202 is 2020000040004.

It is not an unprimeable number, because it can be changed into a prime (4000400000209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10157374 + ... + 10543862.

It is an arithmetic number, because the mean of its divisors is an integer number (250816550400).

Almost surely, 2^{4000400000202} is an apocalyptic number.

4000400000202 is an abundant number, since it is smaller than the sum of its proper divisors (4025729612598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000400000202 is a wasteful number, since it uses less digits than its factorization.

4000400000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391950.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 4000400000202 its reverse (2020000040004), we get a palindrome (6020400040206).

The spelling of 4000400000202 in words is "four trillion, four hundred million, two hundred two", and thus it is an aban number.