102826500240 has 80 divisors (see below), whose sum is σ = 320431205376. Its totient is φ = 27276825600.

The previous prime is 102826500239. The next prime is 102826500247. The reversal of 102826500240 is 42005628201.

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

It is a super-3 number, since 3×102826500240³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102826500198 and 102826500207.

It is not an unprimeable number, because it can be changed into a prime (102826500247) 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, 1075741 + ... + 1167420.

Almost surely, 2^102826500240 is an apocalyptic number.

102826500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102826500240 is an abundant number, since it is smaller than the sum of its proper divisors (217604705136).

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

102826500240 is a wasteful number, since it uses less digits than its factorization.

102826500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243368 (or 2243362 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 102826500240 in words is "one hundred two billion, eight hundred twenty-six million, five hundred thousand, two hundred forty".