4046642257 has 8 divisors (see below), whose sum is σ = 4773919232. Its totient is φ = 3356661600.

The previous prime is 4046642239. The next prime is 4046642279. The reversal of 4046642257 is 7522466404.

4046642257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4046642257 - 2²³ = 4038253649 is a prime.

It is a super-2 number, since 2×4046642257² = 32750627112276108098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4046642227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9323844 + ... + 9324277.

It is an arithmetic number, because the mean of its divisors is an integer number (596739904).

Almost surely, 2^4046642257 is an apocalyptic number.

It is an amenable number.

4046642257 is a deficient number, since it is larger than the sum of its proper divisors (727276975).

4046642257 is a wasteful number, since it uses less digits than its factorization.

4046642257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18648159.

The product of its (nonzero) digits is 322560, while the sum is 40.

The square root of 4046642257 is about 63613.2239161010. The cubic root of 4046642257 is about 1593.5472215632.

The spelling of 4046642257 in words is "four billion, forty-six million, six hundred forty-two thousand, two hundred fifty-seven".