104090432240 has 20 divisors (see below), whose sum is σ = 242010255144. Its totient is φ = 41636172864.

The previous prime is 104090432203. The next prime is 104090432273. The reversal of 104090432240 is 42234090401.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650565122 + ... + 650565281.

Almost surely, 2^104090432240 is an apocalyptic number.

104090432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104090432240 is an abundant number, since it is smaller than the sum of its proper divisors (137919822904).

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

104090432240 is a wasteful number, since it uses less digits than its factorization.

104090432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301130416 (or 1301130410 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 104090432240 in words is "one hundred four billion, ninety million, four hundred thirty-two thousand, two hundred forty".