4557645940 has 48 divisors (see below), whose sum is σ = 10407982032. Its totient is φ = 1669441536.

The previous prime is 4557645901. The next prime is 4557645949. The reversal of 4557645940 is 495467554.

It can be written as a sum of positive squares in 8 ways, for example, as 549996304 + 4007649636 = 23452^2 + 63306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4557645949) 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, 168567 + ... + 193726.

It is an arithmetic number, because the mean of its divisors is an integer number (216832959).

Almost surely, 2^4557645940 is an apocalyptic number.

It is an amenable number.

4557645940 is an abundant number, since it is smaller than the sum of its proper divisors (5850336092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4557645940 is a wasteful number, since it uses less digits than its factorization.

4557645940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362356 (or 362354 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The square root of 4557645940 is about 67510.3395044048. The cubic root of 4557645940 is about 1657.9834636661.

The spelling of 4557645940 in words is "four billion, five hundred fifty-seven million, six hundred forty-five thousand, nine hundred forty".