450431921080 has 64 divisors (see below), whose sum is σ = 1021781744640. Its totient is φ = 178696369152.

The previous prime is 450431921057. The next prime is 450431921083. The reversal of 450431921080 is 80129134054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450431921083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17935092 + ... + 17960188.

It is an arithmetic number, because the mean of its divisors is an integer number (15965339760).

Almost surely, 2^450431921080 is an apocalyptic number.

450431921080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450431921080 is an abundant number, since it is smaller than the sum of its proper divisors (571349823560).

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

450431921080 is a wasteful number, since it uses less digits than its factorization.

450431921080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28768 (or 28764 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 450431921080 in words is "four hundred fifty billion, four hundred thirty-one million, nine hundred twenty-one thousand, eighty".