440482997 has 2 divisors, whose sum is σ = 440482998. Its totient is φ = 440482996.

The previous prime is 440482993. The next prime is 440483009. The reversal of 440482997 is 799284044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315915076 + 124567921 = 17774^2 + 11161^2 .

It is a cyclic number.

It is not a de Polignac number, because 440482997 - 2² = 440482993 is a prime.

It is a super-2 number, since 2×440482997² = 388050541292204018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440482993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220241498 + 220241499.

It is an arithmetic number, because the mean of its divisors is an integer number (220241499).

Almost surely, 2^440482997 is an apocalyptic number.

It is an amenable number.

440482997 is a deficient number, since it is larger than the sum of its proper divisors (1).

440482997 is an equidigital number, since it uses as much as digits as its factorization.

440482997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 440482997 is about 20987.6867948805. The cubic root of 440482997 is about 760.8686956275.

The spelling of 440482997 in words is "four hundred forty million, four hundred eighty-two thousand, nine hundred ninety-seven".