420112043234440 has 64 divisors (see below), whose sum is σ = 990825794703360. Its totient is φ = 160133461716480.

The previous prime is 420112043234423. The next prime is 420112043234459. The reversal of 420112043234440 is 44432340211024.

It is a super-2 number, since 2×420112043234440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420112043234396 and 420112043234405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2978602504 + ... + 2978743543.

It is an arithmetic number, because the mean of its divisors is an integer number (15481653042240).

Almost surely, 2^{420112043234440} is an apocalyptic number.

420112043234440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420112043234440 is an abundant number, since it is smaller than the sum of its proper divisors (570713751468920).

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

420112043234440 is a wasteful number, since it uses less digits than its factorization.

420112043234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957346142 (or 5957346138 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 420112043234440 its reverse (44432340211024), we get a palindrome (464544383445464).

The spelling of 420112043234440 in words is "four hundred twenty trillion, one hundred twelve billion, forty-three million, two hundred thirty-four thousand, four hundred forty".