44102240 has 144 divisors (see below), whose sum is σ = 129493728. Its totient is φ = 13897728.

The previous prime is 44102213. The next prime is 44102263. The reversal of 44102240 is 4220144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189164 + ... + 189396.

It is an arithmetic number, because the mean of its divisors is an integer number (899262).

Almost surely, 2^44102240 is an apocalyptic number.

44102240 is a gapful number since it is divisible by the number (40) 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 44102240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64746864).

44102240 is an abundant number, since it is smaller than the sum of its proper divisors (85391488).

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

44102240 is a wasteful number, since it uses less digits than its factorization.

44102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 44102240 is about 6640.9517390205. The cubic root of 44102240 is about 353.3080635383.

Adding to 44102240 its reverse (4220144), we get a palindrome (48322384).

The spelling of 44102240 in words is "forty-four million, one hundred two thousand, two hundred forty".