6312473640 has 128 divisors (see below), whose sum is σ = 22954492800. Its totient is φ = 1530293760.

The previous prime is 6312473621. The next prime is 6312473641. The reversal of 6312473640 is 463742136.

It is a happy number.

6312473640 is a `hidden beast` number, since 6 + 3 + 1 + 2 + 4 + 7 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6312473595 and 6312473604.

It is not an unprimeable number, because it can be changed into a prime (6312473641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253797 + ... + 277556.

It is an arithmetic number, because the mean of its divisors is an integer number (179331975).

Almost surely, 2^6312473640 is an apocalyptic number.

6312473640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6312473640 is an abundant number, since it is smaller than the sum of its proper divisors (16642019160).

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

6312473640 is a wasteful number, since it uses less digits than its factorization.

6312473640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531384 (or 531374 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 6312473640 is about 79451.0770222783. The cubic root of 6312473640 is about 1848.1328754179.

The spelling of 6312473640 in words is "six billion, three hundred twelve million, four hundred seventy-three thousand, six hundred forty".