104291540 has 24 divisors (see below), whose sum is σ = 226565640. Its totient is φ = 40277888.

The previous prime is 104291531. The next prime is 104291557. The reversal of 104291540 is 45192401.

It can be written as a sum of positive squares in 4 ways, for example, as 8133904 + 96157636 = 2852^2 + 9806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89327 + ... + 90486.

It is an arithmetic number, because the mean of its divisors is an integer number (9440235).

Almost surely, 2^104291540 is an apocalyptic number.

104291540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104291540 is an abundant number, since it is smaller than the sum of its proper divisors (122274100).

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

104291540 is a wasteful number, since it uses less digits than its factorization.

104291540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179851 (or 179849 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 104291540 is about 10212.3229482816. The cubic root of 104291540 is about 470.7059558493.

The spelling of 104291540 in words is "one hundred four million, two hundred ninety-one thousand, five hundred forty".