431377828980 has 48 divisors (see below), whose sum is σ = 1380409054080. Its totient is φ = 98600646528.

The previous prime is 431377828969. The next prime is 431377829023. The reversal of 431377828980 is 89828773134.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 513544615 + ... + 513545454.

It is an arithmetic number, because the mean of its divisors is an integer number (28758521960).

Almost surely, 2^431377828980 is an apocalyptic number.

It is an amenable number.

431377828980 is an abundant number, since it is smaller than the sum of its proper divisors (949031225100).

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

431377828980 is a wasteful number, since it uses less digits than its factorization.

431377828980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027090088 (or 1027090086 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 431377828980 in words is "four hundred thirty-one billion, three hundred seventy-seven million, eight hundred twenty-eight thousand, nine hundred eighty".