2316712640 has 112 divisors (see below), whose sum is σ = 6075419904. Its totient is φ = 834432000.

The previous prime is 2316712639. The next prime is 2316712661. The reversal of 2316712640 is 462176132.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2316712597 and 2316712606.

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, 373565 + ... + 379715.

Almost surely, 2^2316712640 is an apocalyptic number.

2316712640 is a gapful number since it is divisible by the number (20) 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 2316712640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037709952).

2316712640 is an abundant number, since it is smaller than the sum of its proper divisors (3758707264).

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

2316712640 is a wasteful number, since it uses less digits than its factorization.

2316712640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2316712640 is about 48132.2411695113. The cubic root of 2316712640 is about 1323.1956243851.

Adding to 2316712640 its reverse (462176132), we get a palindrome (2778888772).

The spelling of 2316712640 in words is "two billion, three hundred sixteen million, seven hundred twelve thousand, six hundred forty".