101440980 has 36 divisors (see below), whose sum is σ = 307704852. Its totient is φ = 27050880.

The previous prime is 101440979. The next prime is 101441051. The reversal of 101440980 is 89044101.

It can be written as a sum of positive squares in 2 ways, for example, as 32285124 + 69155856 = 5682^2 + 8316^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281601 + ... + 281960.

It is an arithmetic number, because the mean of its divisors is an integer number (8547357).

Almost surely, 2^101440980 is an apocalyptic number.

101440980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101440980 is an abundant number, since it is smaller than the sum of its proper divisors (206263872).

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

101440980 is a wasteful number, since it uses less digits than its factorization.

101440980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563576 (or 563571 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 101440980 is about 10071.7913004589. The cubic root of 101440980 is about 466.3777383857.

The spelling of 101440980 in words is "one hundred one million, four hundred forty thousand, nine hundred eighty".