400002200080 has 40 divisors (see below), whose sum is σ = 1062862990272. Its totient is φ = 137143611264.

The previous prime is 400002200063. The next prime is 400002200083. The reversal of 400002200080 is 80002200004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (400002200083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357144262 + ... + 357145381.

Almost surely, 2^400002200080 is an apocalyptic number.

400002200080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400002200080 is an abundant number, since it is smaller than the sum of its proper divisors (662860790192).

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

400002200080 is a wasteful number, since it uses less digits than its factorization.

400002200080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714289663 (or 714289657 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 400002200080 its reverse (80002200004), we get a palindrome (480004400084).

The spelling of 400002200080 in words is "four hundred billion, two million, two hundred thousand, eighty".