440981396 has 6 divisors (see below), whose sum is σ = 771717450. Its totient is φ = 220490696.

The previous prime is 440981371. The next prime is 440981447. The reversal of 440981396 is 693189044.

It can be written as a sum of positive squares in only one way, i.e., 255040900 + 185940496 = 15970^2 + 13636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55122671 + ... + 55122678.

It is an arithmetic number, because the mean of its divisors is an integer number (128619575).

Almost surely, 2^440981396 is an apocalyptic number.

It is an amenable number.

440981396 is a deficient number, since it is larger than the sum of its proper divisors (330736054).

440981396 is a wasteful number, since it uses less digits than its factorization.

440981396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110245353 (or 110245351 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 440981396 is about 20999.5570429474. The cubic root of 440981396 is about 761.1555574465.

The spelling of 440981396 in words is "four hundred forty million, nine hundred eighty-one thousand, three hundred ninety-six".