599978340 has 240 divisors, whose sum is σ = 2094597120. Its totient is φ = 142767360.

The previous prime is 599978339. The next prime is 599978363. The reversal of 599978340 is 43879995.

599978340 is a `hidden beast` number, since 599 + 9 + 7 + 8 + 3 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 652401 + ... + 653319.

It is an arithmetic number, because the mean of its divisors is an integer number (8727488).

Almost surely, 2^599978340 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 599978340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047298560).

599978340 is an abundant number, since it is smaller than the sum of its proper divisors (1494618780).

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

599978340 is a wasteful number, since it uses less digits than its factorization.

599978340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 599978340 is about 24494.4552909429. The cubic root of 599978340 is about 843.4225158732.

The spelling of 599978340 in words is "five hundred ninety-nine million, nine hundred seventy-eight thousand, three hundred forty".