4509479790 has 96 divisors (see below), whose sum is σ = 12551325696. Its totient is φ = 1163717280.

The previous prime is 4509479731. The next prime is 4509479801. The reversal of 4509479790 is 979749054.

4509479790 is a `hidden beast` number, since 4 + 509 + 47 + 9 + 7 + 90 = 666.

It is a super-3 number, since 3×4509479790³ (a number of 30 digits) contains 333 as substring.

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 47 ways as a sum of consecutive naturals, for example, 45399 + ... + 105261.

It is an arithmetic number, because the mean of its divisors is an integer number (130742976).

Almost surely, 2^4509479790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4509479790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6275662848).

4509479790 is an abundant number, since it is smaller than the sum of its proper divisors (8041845906).

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

4509479790 is a wasteful number, since it uses less digits than its factorization.

4509479790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59916 (or 59904 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 4509479790 is about 67152.6603344946. The cubic root of 4509479790 is about 1652.1221289817.

The spelling of 4509479790 in words is "four billion, five hundred nine million, four hundred seventy-nine thousand, seven hundred ninety".