422040004000 has 48 divisors (see below), whose sum is σ = 1036952299656. Its totient is φ = 168816000000.

The previous prime is 422040003989. The next prime is 422040004003. The reversal of 422040004000 is 400040224.

It can be written as a sum of positive squares in 4 ways, for example, as 130012167184 + 292027836816 = 360572^2 + 540396^2 .

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 (422040004003) 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, 52751001 + ... + 52759000.

Almost surely, 2^422040004000 is an apocalyptic number.

422040004000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422040004000 is an abundant number, since it is smaller than the sum of its proper divisors (614912295656).

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

422040004000 is a wasteful number, since it uses less digits than its factorization.

422040004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105510026 (or 105510008 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 422040004000 its reverse (400040224), we get a palindrome (422440044224).

The spelling of 422040004000 in words is "four hundred twenty-two billion, forty million, four thousand".