102455054540 has 12 divisors (see below), whose sum is σ = 215155614576. Its totient is φ = 40982021808.

The previous prime is 102455054503. The next prime is 102455054563. The reversal of 102455054540 is 45450554201.

It is a super-2 number, since 2×102455054540² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102455054540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561376344 + ... + 2561376383.

It is an arithmetic number, because the mean of its divisors is an integer number (17929634548).

Almost surely, 2^102455054540 is an apocalyptic number.

102455054540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102455054540 is an abundant number, since it is smaller than the sum of its proper divisors (112700560036).

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

102455054540 is a wasteful number, since it uses less digits than its factorization.

102455054540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122752736 (or 5122752734 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 102455054540 in words is "one hundred two billion, four hundred fifty-five million, fifty-four thousand, five hundred forty".