5463040640 has 64 divisors (see below), whose sum is σ = 13255112160. Its totient is φ = 2152584192.

The previous prime is 5463040621. The next prime is 5463040657. The reversal of 5463040640 is 460403645.

It is a tau number, because it is divible by the number of its divisors (64).

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 = 5463040597 and 5463040606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20822 + ... + 106581.

Almost surely, 2^5463040640 is an apocalyptic number.

It is an amenable number.

5463040640 is an abundant number, since it is smaller than the sum of its proper divisors (7792071520).

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

5463040640 is a wasteful number, since it uses less digits than its factorization.

5463040640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127489 (or 127477 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 5463040640 is about 73912.3848891375. The cubic root of 5463040640 is about 1761.2113561506.

The spelling of 5463040640 in words is "five billion, four hundred sixty-three million, forty thousand, six hundred forty".