10311664240 has 20 divisors (see below), whose sum is σ = 23974619544. Its totient is φ = 4124665664.

The previous prime is 10311664229. The next prime is 10311664271. The reversal of 10311664240 is 4246611301.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 10311664199 and 10311664208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64447822 + ... + 64447981.

Almost surely, 2^10311664240 is an apocalyptic number.

10311664240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311664240 is an abundant number, since it is smaller than the sum of its proper divisors (13662955304).

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

10311664240 is a wasteful number, since it uses less digits than its factorization.

10311664240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128895816 (or 128895810 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 10311664240 in words is "ten billion, three hundred eleven million, six hundred sixty-four thousand, two hundred forty".