42000640323160 has 32 divisors (see below), whose sum is σ = 94502013298560. Its totient is φ = 16800154338816.

The previous prime is 42000640323143. The next prime is 42000640323223. The reversal of 42000640323160 is 6132304600024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686512 + ... + 9878848.

It is an arithmetic number, because the mean of its divisors is an integer number (2953187915580).

Almost surely, 2^{42000640323160} is an apocalyptic number.

42000640323160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42000640323160 is an abundant number, since it is smaller than the sum of its proper divisors (52501372975400).

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

42000640323160 is a wasteful number, since it uses less digits than its factorization.

42000640323160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361915 (or 6361911 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 42000640323160 its reverse (6132304600024), we get a palindrome (48132944923184).

The spelling of 42000640323160 in words is "forty-two trillion, six hundred forty million, three hundred twenty-three thousand, one hundred sixty".