42231000004000 has 48 divisors (see below), whose sum is σ = 103761567019656. Its totient is φ = 16892400000000.

The previous prime is 42231000003989. The next prime is 42231000004001. The reversal of 42231000004000 is 40000013224.

It can be written as a sum of positive squares in 4 ways, for example, as 2381626735504 + 39849373268496 = 1543252^2 + 6312636^2 .

It is a super-2 number, since 2×42231000004000² (a number of 28 digits) contains 22 as substring.

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 (42231000004001) 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, 5278871001 + ... + 5278879000.

Almost surely, 2^{42231000004000} is an apocalyptic number.

42231000004000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42231000004000 is an abundant number, since it is smaller than the sum of its proper divisors (61530567015656).

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

42231000004000 is a wasteful number, since it uses less digits than its factorization.

42231000004000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557750026 (or 10557750008 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42231000004000 its reverse (40000013224), we get a palindrome (42271000017224).

The spelling of 42231000004000 in words is "forty-two trillion, two hundred thirty-one billion, four thousand".