4557923838 has 64 divisors (see below), whose sum is σ = 11070769920. Its totient is φ = 1381491936.

The previous prime is 4557923807. The next prime is 4557923861. The reversal of 4557923838 is 8383297554.

4557923838 is a `hidden beast` number, since 4 + 5 + 579 + 2 + 38 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1420 + ... + 95487.

It is an arithmetic number, because the mean of its divisors is an integer number (172980780).

Almost surely, 2^4557923838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4557923838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5535384960).

4557923838 is an abundant number, since it is smaller than the sum of its proper divisors (6512846082).

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

4557923838 is a wasteful number, since it uses less digits than its factorization.

4557923838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96998 (or 96992 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 4557923838 is about 67512.3976614666. The cubic root of 4557923838 is about 1658.0171609541.

The spelling of 4557923838 in words is "four billion, five hundred fifty-seven million, nine hundred twenty-three thousand, eight hundred thirty-eight".