402203202200400 has 120 divisors (see below), whose sum is σ = 1288396060615584. Its totient is φ = 107253759680000.

The previous prime is 402203202200383. The next prime is 402203202200407. The reversal of 402203202200400 is 4002202302204.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402203202200407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401099650 + ... + 402101150.

Almost surely, 2^{402203202200400} is an apocalyptic number.

402203202200400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402203202200400 is an abundant number, since it is smaller than the sum of its proper divisors (886192858415184).

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

402203202200400 is a wasteful number, since it uses less digits than its factorization.

402203202200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336189 (or 1336178 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 402203202200400 its reverse (4002202302204), we get a palindrome (406205404502604).

The spelling of 402203202200400 in words is "four hundred two trillion, two hundred three billion, two hundred two million, two hundred thousand, four hundred".