431372741720 has 128 divisors (see below), whose sum is σ = 1044356198400. Its totient is φ = 159775358976.

The previous prime is 431372741719. The next prime is 431372741729. The reversal of 431372741720 is 27147273134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431372741729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20292137 + ... + 20313383.

It is an arithmetic number, because the mean of its divisors is an integer number (8159032800).

Almost surely, 2^431372741720 is an apocalyptic number.

431372741720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431372741720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522178099200).

431372741720 is an abundant number, since it is smaller than the sum of its proper divisors (612983456680).

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

431372741720 is a wasteful number, since it uses less digits than its factorization.

431372741720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21757 (or 21753 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 431372741720 in words is "four hundred thirty-one billion, three hundred seventy-two million, seven hundred forty-one thousand, seven hundred twenty".