4027760638 has 24 divisors (see below), whose sum is σ = 6990336360. Its totient is φ = 1734440400.

The previous prime is 4027760603. The next prime is 4027760669. The reversal of 4027760638 is 8360677204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4027760594 and 4027760603.

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, 433393 + ... + 442588.

It is an arithmetic number, because the mean of its divisors is an integer number (291264015).

Almost surely, 2^4027760638 is an apocalyptic number.

4027760638 is a deficient number, since it is larger than the sum of its proper divisors (2962575722).

4027760638 is a wasteful number, since it uses less digits than its factorization.

4027760638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876024 (or 876013 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 4027760638 is about 63464.6408482708. The cubic root of 4027760638 is about 1591.0648613515.

The spelling of 4027760638 in words is "four billion, twenty-seven million, seven hundred sixty thousand, six hundred thirty-eight".