102342233202440 has 128 divisors (see below), whose sum is σ = 290723951001600. Its totient is φ = 31495094542080.

The previous prime is 102342233202403. The next prime is 102342233202481. The reversal of 102342233202440 is 44202332243201.

It is a super-2 number, since 2×102342233202440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102342233202397 and 102342233202406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210060464 + ... + 210547103.

It is an arithmetic number, because the mean of its divisors is an integer number (2271280867200).

Almost surely, 2^{102342233202440} is an apocalyptic number.

102342233202440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102342233202440 is an abundant number, since it is smaller than the sum of its proper divisors (188381717799160).

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

102342233202440 is a wasteful number, since it uses less digits than its factorization.

102342233202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420607675 (or 420607671 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 102342233202440 its reverse (44202332243201), we get a palindrome (146544565445641).

The spelling of 102342233202440 in words is "one hundred two trillion, three hundred forty-two billion, two hundred thirty-three million, two hundred two thousand, four hundred forty".