102340010111440 has 80 divisors (see below), whose sum is σ = 238794737587200. Its totient is φ = 40789051591680.

The previous prime is 102340010111431. The next prime is 102340010111441. The reversal of 102340010111440 is 44111010043201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102340010111441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098033961 + ... + 1098127159.

It is an arithmetic number, because the mean of its divisors is an integer number (2984934219840).

Almost surely, 2^{102340010111440} is an apocalyptic number.

102340010111440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102340010111440 is an abundant number, since it is smaller than the sum of its proper divisors (136454727475760).

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

102340010111440 is a wasteful number, since it uses less digits than its factorization.

102340010111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142340 (or 142334 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 102340010111440 its reverse (44111010043201), we get a palindrome (146451020154641).

The spelling of 102340010111440 in words is "one hundred two trillion, three hundred forty billion, ten million, one hundred eleven thousand, four hundred forty".