440087798 has 4 divisors (see below), whose sum is σ = 660131700. Its totient is φ = 220043898.

The previous prime is 440087783. The next prime is 440087803. The reversal of 440087798 is 897780044.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110021948 + ... + 110021951.

It is an arithmetic number, because the mean of its divisors is an integer number (165032925).

Almost surely, 2^440087798 is an apocalyptic number.

440087798 is a deficient number, since it is larger than the sum of its proper divisors (220043902).

440087798 is a wasteful number, since it uses less digits than its factorization.

440087798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220043901.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 440087798 is about 20978.2696617238. The cubic root of 440087798 is about 760.6410784272.

The spelling of 440087798 in words is "four hundred forty million, eighty-seven thousand, seven hundred ninety-eight".