102340102440 has 64 divisors (see below), whose sum is σ = 307235073600. Its totient is φ = 27271603712.

The previous prime is 102340102429. The next prime is 102340102451. The reversal of 102340102440 is 44201043201.

102340102440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (102340102429) and next prime (102340102451).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125610 + ... + 469529.

It is an arithmetic number, because the mean of its divisors is an integer number (4800548025).

Almost surely, 2^102340102440 is an apocalyptic number.

102340102440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102340102440 is an abundant number, since it is smaller than the sum of its proper divisors (204894971160).

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

102340102440 is a wasteful number, since it uses less digits than its factorization.

102340102440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596586 (or 596582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102340102440 its reverse (44201043201), we get a palindrome (146541145641).

The spelling of 102340102440 in words is "one hundred two billion, three hundred forty million, one hundred two thousand, four hundred forty".