2132402440 has 32 divisors (see below), whose sum is σ = 5483321280. Its totient is φ = 731109312.

The previous prime is 2132402431. The next prime is 2132402443. The reversal of 2132402440 is 442042312.

It is a happy number.

It is a super-2 number, since 2×2132402440² = 9094280332235907200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2132402443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3807582 + ... + 3808141.

It is an arithmetic number, because the mean of its divisors is an integer number (171353790).

Almost surely, 2^2132402440 is an apocalyptic number.

2132402440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132402440 is an abundant number, since it is smaller than the sum of its proper divisors (3350918840).

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

2132402440 is a wasteful number, since it uses less digits than its factorization.

2132402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615741 (or 7615737 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2132402440 is about 46177.9432196801. The cubic root of 2132402440 is about 1287.1319089761.

Adding to 2132402440 its reverse (442042312), we get a palindrome (2574444752).

The spelling of 2132402440 in words is "two billion, one hundred thirty-two million, four hundred two thousand, four hundred forty".