3599870040 has 384 divisors, whose sum is σ = 13502361600. Its totient is φ = 856604160.

The previous prime is 3599870023. The next prime is 3599870051. The reversal of 3599870040 is 400789953.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3916701 + ... + 3917619.

It is an arithmetic number, because the mean of its divisors is an integer number (35162400).

Almost surely, 2^3599870040 is an apocalyptic number.

3599870040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3599870040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6751180800).

3599870040 is an abundant number, since it is smaller than the sum of its proper divisors (9902491560).

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

3599870040 is a wasteful number, since it uses less digits than its factorization.

3599870040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 3599870040 is about 59998.9169902257. The cubic root of 3599870040 is about 1532.6004220515.

The spelling of 3599870040 in words is "three billion, five hundred ninety-nine million, eight hundred seventy thousand, forty".