4007790657 has 40 divisors (see below), whose sum is σ = 6543827136. Its totient is φ = 2429479008.

The previous prime is 4007790643. The next prime is 4007790769. The reversal of 4007790657 is 7560977004.

It is not a de Polignac number, because 4007790657 - 2⁷ = 4007790529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4007790607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42148 + ... + 98954.

Almost surely, 2^4007790657 is an apocalyptic number.

It is an amenable number.

4007790657 is a deficient number, since it is larger than the sum of its proper divisors (2536036479).

4007790657 is a wasteful number, since it uses less digits than its factorization.

4007790657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56899 (or 56890 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 4007790657 is about 63307.1137945808. The cubic root of 4007790657 is about 1588.4309583798.

The spelling of 4007790657 in words is "four billion, seven million, seven hundred ninety thousand, six hundred fifty-seven".