4564400397 has 24 divisors (see below), whose sum is σ = 6524364000. Its totient is φ = 2837604096.

The previous prime is 4564400311. The next prime is 4564400411. The reversal of 4564400397 is 7930044654.

It is a de Polignac number, because none of the positive numbers 2^k-4564400397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564400497) 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 23 ways as a sum of consecutive naturals, for example, 70354 + ... + 118652.

It is an arithmetic number, because the mean of its divisors is an integer number (271848500).

Almost surely, 2^4564400397 is an apocalyptic number.

It is an amenable number.

4564400397 is a deficient number, since it is larger than the sum of its proper divisors (1959963603).

4564400397 is a wasteful number, since it uses less digits than its factorization.

4564400397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48445 (or 48428 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 4564400397 is about 67560.3463357020. The cubic root of 4564400397 is about 1658.8021063376.

The spelling of 4564400397 in words is "four billion, five hundred sixty-four million, four hundred thousand, three hundred ninety-seven".