444271240 has 48 divisors (see below), whose sum is σ = 1162817100. Its totient is φ = 152320896.

The previous prime is 444271237. The next prime is 444271259. The reversal of 444271240 is 42172444.

It can be written as a sum of positive squares in 2 ways, for example, as 441588196 + 2683044 = 21014^2 + 1638^2 .

It is a super-2 number, since 2×444271240² = 394753869382275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 444271199 and 444271208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111375 + ... + 115294.

Almost surely, 2^444271240 is an apocalyptic number.

444271240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444271240 is an abundant number, since it is smaller than the sum of its proper divisors (718545860).

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

444271240 is a wasteful number, since it uses less digits than its factorization.

444271240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226694 (or 226683 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 444271240 is about 21077.7427633986. The cubic root of 444271240 is about 763.0436806909.

The spelling of 444271240 in words is "four hundred forty-four million, two hundred seventy-one thousand, two hundred forty".