4064478057 has 24 divisors (see below), whose sum is σ = 5955925248. Its totient is φ = 2670660000.

The previous prime is 4064478049. The next prime is 4064478059. The reversal of 4064478057 is 7508744604.

It is not a de Polignac number, because 4064478057 - 2³ = 4064478049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4064478059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192682 + ... + 212732.

It is an arithmetic number, because the mean of its divisors is an integer number (248163552).

Almost surely, 2^4064478057 is an apocalyptic number.

It is an amenable number.

4064478057 is a deficient number, since it is larger than the sum of its proper divisors (1891447191).

4064478057 is a wasteful number, since it uses less digits than its factorization.

4064478057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20381 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4064478057 is about 63753.2591872761. The cubic root of 4064478057 is about 1595.8850061776.

The spelling of 4064478057 in words is "four billion, sixty-four million, four hundred seventy-eight thousand, fifty-seven".