244440473 has 2 divisors, whose sum is σ = 244440474. Its totient is φ = 244440472.

The previous prime is 244440451. The next prime is 244440479. The reversal of 244440473 is 374044442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203005504 + 41434969 = 14248^2 + 6437^2 .

It is a cyclic number.

It is not a de Polignac number, because 244440473 - 2¹² = 244436377 is a prime.

It is a super-2 number, since 2×244440473² = 119502289680927458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244440479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122220236 + 122220237.

It is an arithmetic number, because the mean of its divisors is an integer number (122220237).

Almost surely, 2^244440473 is an apocalyptic number.

It is an amenable number.

244440473 is a deficient number, since it is larger than the sum of its proper divisors (1).

244440473 is an equidigital number, since it uses as much as digits as its factorization.

244440473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 244440473 is about 15634.5921916755. The cubic root of 244440473 is about 625.2557656134.

The spelling of 244440473 in words is "two hundred forty-four million, four hundred forty thousand, four hundred seventy-three".