102449270240 has 48 divisors (see below), whose sum is σ = 242073564768. Its totient is φ = 40973415936.

The previous prime is 102449270219. The next prime is 102449270243. The reversal of 102449270240 is 42072944201.

It is a self number, because there is not a number n which added to its sum of digits gives 102449270240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102449270243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076429 + ... + 1167731.

It is an arithmetic number, because the mean of its divisors is an integer number (5043199266).

Almost surely, 2^102449270240 is an apocalyptic number.

102449270240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102449270240 is an abundant number, since it is smaller than the sum of its proper divisors (139624294528).

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

102449270240 is an equidigital number, since it uses as much as digits as its factorization.

102449270240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98331 (or 98323 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 102449270240 in words is "one hundred two billion, four hundred forty-nine million, two hundred seventy thousand, two hundred forty".