104155040 has 192 divisors, whose sum is σ = 292626432. Its totient is φ = 34636800.

The previous prime is 104155027. The next prime is 104155057. The reversal of 104155040 is 40551401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254839 + ... + 1254921.

It is an arithmetic number, because the mean of its divisors is an integer number (1524096).

Almost surely, 2^104155040 is an apocalyptic number.

104155040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104155040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146313216).

104155040 is an abundant number, since it is smaller than the sum of its proper divisors (188471392).

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

104155040 is a wasteful number, since it uses less digits than its factorization.

104155040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 104155040 is about 10205.6376576870. The cubic root of 104155040 is about 470.5005080096.

The spelling of 104155040 in words is "one hundred four million, one hundred fifty-five thousand, forty".