4857062640 has 80 divisors (see below), whose sum is σ = 15542624256. Its totient is φ = 1253433600.

The previous prime is 4857062633. The next prime is 4857062653. The reversal of 4857062640 is 462607584.

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

It is a junction number, because it is equal to n+sod(n) for n = 4857062592 and 4857062601.

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, 318976 + ... + 333855.

Almost surely, 2^4857062640 is an apocalyptic number.

4857062640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4857062640 is an abundant number, since it is smaller than the sum of its proper divisors (10685561616).

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

4857062640 is a wasteful number, since it uses less digits than its factorization.

4857062640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652878 (or 652872 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 4857062640 is about 69692.6297394495. The cubic root of 4857062640 is about 1693.5235286947.

The spelling of 4857062640 in words is "four billion, eight hundred fifty-seven million, sixty-two thousand, six hundred forty".