4761568440 has 48 divisors (see below), whose sum is σ = 15475098600. Its totient is φ = 1269751488.

The previous prime is 4761568433. The next prime is 4761568457. The reversal of 4761568440 is 448651674.

4761568440 is a `hidden beast` number, since 47 + 6 + 1 + 568 + 4 + 40 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6612930 + ... + 6613649.

Almost surely, 2^4761568440 is an apocalyptic number.

4761568440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4761568440 is an abundant number, since it is smaller than the sum of its proper divisors (10713530160).

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

4761568440 is a wasteful number, since it uses less digits than its factorization.

4761568440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226596 (or 13226589 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4761568440 is about 69004.1190074911. The cubic root of 4761568440 is about 1682.3512570644.

The spelling of 4761568440 in words is "four billion, seven hundred sixty-one million, five hundred sixty-eight thousand, four hundred forty".