104202240 has 144 divisors (see below), whose sum is σ = 339737328. Its totient is φ = 27262976.

The previous prime is 104202233. The next prime is 104202269. The reversal of 104202240 is 42202401.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1966054 + ... + 1966106.

It is an arithmetic number, because the mean of its divisors is an integer number (2359287).

Almost surely, 2^104202240 is an apocalyptic number.

104202240 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 104202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169868664).

104202240 is an abundant number, since it is smaller than the sum of its proper divisors (235535088).

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

104202240 is an frugal number, since it uses more digits than its factorization.

104202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 104202240 is about 10207.9498431370. The cubic root of 104202240 is about 470.5715696059.

Adding to 104202240 its reverse (42202401), we get a palindrome (146404641).

The spelling of 104202240 in words is "one hundred four million, two hundred two thousand, two hundred forty".