2332121440 has 96 divisors (see below), whose sum is σ = 6028888320. Its totient is φ = 845452800.

The previous prime is 2332121431. The next prime is 2332121443. The reversal of 2332121440 is 441212332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332121443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629995 + ... + 633685.

It is an arithmetic number, because the mean of its divisors is an integer number (62800920).

Almost surely, 2^2332121440 is an apocalyptic number.

2332121440 is a gapful number since it is divisible by the number (20) 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 2332121440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014444160).

2332121440 is an abundant number, since it is smaller than the sum of its proper divisors (3696766880).

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

2332121440 is a wasteful number, since it uses less digits than its factorization.

2332121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2332121440 is about 48292.0432369557. The cubic root of 2332121440 is about 1326.1227346322.

Adding to 2332121440 its reverse (441212332), we get a palindrome (2773333772).

The spelling of 2332121440 in words is "two billion, three hundred thirty-two million, one hundred twenty-one thousand, four hundred forty".