102745444440 has 64 divisors (see below), whose sum is σ = 318865183200. Its totient is φ = 26453998592.

The previous prime is 102745444429. The next prime is 102745444453. The reversal of 102745444440 is 44444547201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14758797 + ... + 14765756.

Almost surely, 2^102745444440 is an apocalyptic number.

102745444440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102745444440 is an abundant number, since it is smaller than the sum of its proper divisors (216119738760).

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

102745444440 is a wasteful number, since it uses less digits than its factorization.

102745444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29524596 (or 29524592 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 39.

The spelling of 102745444440 in words is "one hundred two billion, seven hundred forty-five million, four hundred forty-four thousand, four hundred forty".