440899540 has 12 divisors (see below), whose sum is σ = 925889076. Its totient is φ = 176359808.

The previous prime is 440899523. The next prime is 440899561. The reversal of 440899540 is 45998044.

It can be written as a sum of positive squares in 2 ways, for example, as 87534736 + 353364804 = 9356^2 + 18798^2 .

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, 11022469 + ... + 11022508.

It is an arithmetic number, because the mean of its divisors is an integer number (77157423).

Almost surely, 2^440899540 is an apocalyptic number.

It is an amenable number.

440899540 is an abundant number, since it is smaller than the sum of its proper divisors (484989536).

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

440899540 is a wasteful number, since it uses less digits than its factorization.

440899540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22044986 (or 22044984 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 440899540 is about 20997.6079590033. The cubic root of 440899540 is about 761.1084587062.

The spelling of 440899540 in words is "four hundred forty million, eight hundred ninety-nine thousand, five hundred forty".