3122040402 has 64 divisors (see below), whose sum is σ = 7513134720. Its totient is φ = 955281600.

The previous prime is 3122040379. The next prime is 3122040403. The reversal of 3122040402 is 2040402213.

3122040402 is a `hidden beast` number, since 3 + 1 + 220 + 40 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3122040403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114777 + ... + 139347.

It is an arithmetic number, because the mean of its divisors is an integer number (117392730).

Almost surely, 2^3122040402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122040402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756567360).

3122040402 is an abundant number, since it is smaller than the sum of its proper divisors (4391094318).

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

3122040402 is a wasteful number, since it uses less digits than its factorization.

3122040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24776 (or 24770 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3122040402 is about 55875.2217176809. The cubic root of 3122040402 is about 1461.5471810826.

Adding to 3122040402 its reverse (2040402213), we get a palindrome (5162442615).

The spelling of 3122040402 in words is "three billion, one hundred twenty-two million, forty thousand, four hundred two".