102890511340 has 48 divisors (see below), whose sum is σ = 229181176224. Its totient is φ = 38667340800.

The previous prime is 102890511287. The next prime is 102890511341. The reversal of 102890511340 is 43115098201.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 102890511296 and 102890511305.

It is not an unprimeable number, because it can be changed into a prime (102890511341) 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, 70851 + ... + 459130.

It is an arithmetic number, because the mean of its divisors is an integer number (4774607838).

Almost surely, 2^102890511340 is an apocalyptic number.

102890511340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102890511340 is an abundant number, since it is smaller than the sum of its proper divisors (126290664884).

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

102890511340 is a wasteful number, since it uses less digits than its factorization.

102890511340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530578 (or 530576 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 102890511340 in words is "one hundred two billion, eight hundred ninety million, five hundred eleven thousand, three hundred forty".