1420431044 has 6 divisors (see below), whose sum is σ = 2485754334. Its totient is φ = 710215520.

The previous prime is 1420431017. The next prime is 1420431059. The reversal of 1420431044 is 4401340241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1371961600 + 48469444 = 37040^2 + 6962^2 .

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 as a sum of consecutive naturals, namely, 177553877 + ... + 177553884.

It is an arithmetic number, because the mean of its divisors is an integer number (414292389).

Almost surely, 2^1420431044 is an apocalyptic number.

It is an amenable number.

1420431044 is a deficient number, since it is larger than the sum of its proper divisors (1065323290).

1420431044 is a wasteful number, since it uses less digits than its factorization.

1420431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355107765 (or 355107763 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1420431044 is about 37688.6062889038. The cubic root of 1420431044 is about 1124.1045830424.

Adding to 1420431044 its reverse (4401340241), we get a palindrome (5821771285).

The spelling of 1420431044 in words is "one billion, four hundred twenty million, four hundred thirty-one thousand, forty-four".