6476070640 has 80 divisors (see below), whose sum is σ = 16228086336. Its totient is φ = 2389248000.

The previous prime is 6476070619. The next prime is 6476070677. The reversal of 6476070640 is 460706746.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6476070593 and 6476070602.

It is a congruent number.

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, 2537365 + ... + 2539915.

Almost surely, 2^6476070640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6476070640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8114043168).

6476070640 is an abundant number, since it is smaller than the sum of its proper divisors (9752015696).

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

6476070640 is a wasteful number, since it uses less digits than its factorization.

6476070640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 6476070640 is about 80474.0370554379. The cubic root of 6476070640 is about 1863.9625929607.

The spelling of 6476070640 in words is "six billion, four hundred seventy-six million, seventy thousand, six hundred forty".