232400121102440 has 128 divisors (see below), whose sum is σ = 537373005926400. Its totient is φ = 90390322897920.

The previous prime is 232400121102367. The next prime is 232400121102467. The reversal of 232400121102440 is 44201121004232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26587356470 + ... + 26587365210.

It is an arithmetic number, because the mean of its divisors is an integer number (4198226608800).

Almost surely, 2^{232400121102440} is an apocalyptic number.

232400121102440 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 232400121102440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268686502963200).

232400121102440 is an abundant number, since it is smaller than the sum of its proper divisors (304972884823960).

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

232400121102440 is a wasteful number, since it uses less digits than its factorization.

232400121102440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18115 (or 18111 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 232400121102440 its reverse (44201121004232), we get a palindrome (276601242106672).

The spelling of 232400121102440 in words is "two hundred thirty-two trillion, four hundred billion, one hundred twenty-one million, one hundred two thousand, four hundred forty".