431263651044660 has 384 divisors, whose sum is σ = 1427177518792704. Its totient is φ = 95219613227520.

The previous prime is 431263651044607. The next prime is 431263651044661. The reversal of 431263651044660 is 66440156362134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431263651044661) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 52935266707 + ... + 52935274853.

It is an arithmetic number, because the mean of its divisors is an integer number (3716608121856).

Almost surely, 2^{431263651044660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431263651044660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713588759396352).

431263651044660 is an abundant number, since it is smaller than the sum of its proper divisors (995913867748044).

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

431263651044660 is a wasteful number, since it uses less digits than its factorization.

431263651044660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163 (or 15161 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 51.

The spelling of 431263651044660 in words is "four hundred thirty-one trillion, two hundred sixty-three billion, six hundred fifty-one million, forty-four thousand, six hundred sixty".