3120203040 has 96 divisors (see below), whose sum is σ = 9894830400. Its totient is φ = 826450944.

The previous prime is 3120203017. The next prime is 3120203057. The reversal of 3120203040 is 403020213.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49707 + ... + 93333.

It is an arithmetic number, because the mean of its divisors is an integer number (103071150).

Almost surely, 2^3120203040 is an apocalyptic number.

3120203040 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 3120203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4947415200).

3120203040 is an abundant number, since it is smaller than the sum of its proper divisors (6774627360).

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

3120203040 is a wasteful number, since it uses less digits than its factorization.

3120203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43794 (or 43786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3120203040 is about 55858.7776450577. Note that the first 3 decimals coincide. The cubic root of 3120203040 is about 1461.2604115479.

Adding to 3120203040 its reverse (403020213), we get a palindrome (3523223253).

The spelling of 3120203040 in words is "three billion, one hundred twenty million, two hundred three thousand, forty".