431923968000 has 1536 divisors, whose sum is σ = 1864332288000. Its totient is φ = 96613171200.

The previous prime is 431923967987. The next prime is 431923968071. The reversal of 431923968000 is 869329134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3822335944 + ... + 3822336056.

It is an arithmetic number, because the mean of its divisors is an integer number (1213758000).

Almost surely, 2^431923968000 is an apocalyptic number.

431923968000 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 431923968000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932166144000).

431923968000 is an abundant number, since it is smaller than the sum of its proper divisors (1432408320000).

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

431923968000 is a wasteful number, since it uses less digits than its factorization.

431923968000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 431923968000 in words is "four hundred thirty-one billion, nine hundred twenty-three million, nine hundred sixty-eight thousand".