4000620057 has 16 divisors (see below), whose sum is σ = 6108318720. Its totient is φ = 2281517712.

The previous prime is 4000619981. The next prime is 4000620067. The reversal of 4000620057 is 7500260004.

It is a happy number.

It is not a de Polignac number, because 4000620057 - 2⁷ = 4000619929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000620067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178807 + ... + 199932.

It is an arithmetic number, because the mean of its divisors is an integer number (381769920).

Almost surely, 2^4000620057 is an apocalyptic number.

It is an amenable number.

4000620057 is a deficient number, since it is larger than the sum of its proper divisors (2107698663).

4000620057 is a wasteful number, since it uses less digits than its factorization.

4000620057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379252.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 4000620057 is about 63250.4549944109. The cubic root of 4000620057 is about 1587.4830709915.

The spelling of 4000620057 in words is "four billion, six hundred twenty thousand, fifty-seven".