422691189408 has 36 divisors (see below), whose sum is σ = 1202028070698. Its totient is φ = 140897063040.

The previous prime is 422691189407. The next prime is 422691189409. The reversal of 422691189408 is 804981196224.

It is a happy number.

422691189408 is a `hidden beast` number, since 4 + 226 + 9 + 1 + 1 + 8 + 9 + 408 = 666.

It is an interprime number because it is at equal distance from previous prime (422691189407) and next prime (422691189409).

It can be written as a sum of positive squares in only one way, i.e., 323246828304 + 99444361104 = 568548^2 + 315348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (422691189407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 733838583 + ... + 733839158.

Almost surely, 2^422691189408 is an apocalyptic number.

422691189408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

422691189408 is an abundant number, since it is smaller than the sum of its proper divisors (779336881290).

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

422691189408 is a wasteful number, since it uses less digits than its factorization.

422691189408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467677757 (or 1467677746 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 422691189408 in words is "four hundred twenty-two billion, six hundred ninety-one million, one hundred eighty-nine thousand, four hundred eight".