4458157656 has 64 divisors (see below), whose sum is σ = 11808737280. Its totient is φ = 1397721600.

The previous prime is 4458157637. The next prime is 4458157657. The reversal of 4458157656 is 6567518544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 4458157599 and 4458157608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4458157657) 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, 897981 + ... + 902931.

It is an arithmetic number, because the mean of its divisors is an integer number (184511520).

Almost surely, 2^4458157656 is an apocalyptic number.

It is an amenable number.

4458157656 is an abundant number, since it is smaller than the sum of its proper divisors (7350579624).

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

4458157656 is a wasteful number, since it uses less digits than its factorization.

4458157656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184 (or 7180 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 51.

The square root of 4458157656 is about 66769.4365409803. The cubic root of 4458157656 is about 1645.8306310958.

The spelling of 4458157656 in words is "four billion, four hundred fifty-eight million, one hundred fifty-seven thousand, six hundred fifty-six".