4579697940 has 96 divisors (see below), whose sum is σ = 13336942080. Its totient is φ = 1173159936.

The previous prime is 4579697887. The next prime is 4579697953. The reversal of 4579697940 is 497969754.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 162324 + ... + 188436.

It is an arithmetic number, because the mean of its divisors is an integer number (138926480).

Almost surely, 2^4579697940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4579697940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6668471040).

4579697940 is an abundant number, since it is smaller than the sum of its proper divisors (8757244140).

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

4579697940 is a wasteful number, since it uses less digits than its factorization.

4579697940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26241 (or 26239 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The square root of 4579697940 is about 67673.4655533467. The cubic root of 4579697940 is about 1660.6531928860.

The spelling of 4579697940 in words is "four billion, five hundred seventy-nine million, six hundred ninety-seven thousand, nine hundred forty".