422202040400 has 60 divisors (see below), whose sum is σ = 1159246181472. Its totient is φ = 144754984320.

The previous prime is 422202040357. The next prime is 422202040411. The reversal of 422202040400 is 4040202224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75390422 + ... + 75396021.

Almost surely, 2^422202040400 is an apocalyptic number.

422202040400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422202040400 is an abundant number, since it is smaller than the sum of its proper divisors (737044141072).

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

422202040400 is a wasteful number, since it uses less digits than its factorization.

422202040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150786468 (or 150786457 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 422202040400 its reverse (4040202224), we get a palindrome (426242242624).

The spelling of 422202040400 in words is "four hundred twenty-two billion, two hundred two million, forty thousand, four hundred".