1420455244 has 24 divisors (see below), whose sum is σ = 2733974208. Its totient is φ = 641644800.

The previous prime is 1420455233. The next prime is 1420455251. The reversal of 1420455244 is 4425540241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288157 + ... + 293044.

It is an arithmetic number, because the mean of its divisors is an integer number (113915592).

Almost surely, 2^1420455244 is an apocalyptic number.

It is an amenable number.

1420455244 is a deficient number, since it is larger than the sum of its proper divisors (1313518964).

1420455244 is a wasteful number, since it uses less digits than its factorization.

1420455244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581265 (or 581263 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1420455244 is about 37688.9273394720. The cubic root of 1420455244 is about 1124.1109668267.

Adding to 1420455244 its reverse (4425540241), we get a palindrome (5845995485).

The spelling of 1420455244 in words is "one billion, four hundred twenty million, four hundred fifty-five thousand, two hundred forty-four".