104799440 has 40 divisors (see below), whose sum is σ = 256486560. Its totient is φ = 39712896.

The previous prime is 104799427. The next prime is 104799449. The reversal of 104799440 is 44997401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 104799394 and 104799403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104799449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32954 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (6412164).

Almost surely, 2^104799440 is an apocalyptic number.

104799440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104799440 is an abundant number, since it is smaller than the sum of its proper divisors (151687120).

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

104799440 is a wasteful number, since it uses less digits than its factorization.

104799440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68979 (or 68973 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 104799440 is about 10237.1597623560. The cubic root of 104799440 is about 471.4688317534.

The spelling of 104799440 in words is "one hundred four million, seven hundred ninety-nine thousand, four hundred forty".