1420051544 has 32 divisors (see below), whose sum is σ = 2699904000. Its totient is φ = 700101792.

The previous prime is 1420051537. The next prime is 1420051637. The reversal of 1420051544 is 4451500241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898547 + ... + 900125.

It is an arithmetic number, because the mean of its divisors is an integer number (84372000).

Almost surely, 2^1420051544 is an apocalyptic number.

It is an amenable number.

1420051544 is a deficient number, since it is larger than the sum of its proper divisors (1279852456).

1420051544 is a wasteful number, since it uses less digits than its factorization.

1420051544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1420051544 is about 37683.5712744957. The cubic root of 1420051544 is about 1124.0044642114.

Adding to 1420051544 its reverse (4451500241), we get a palindrome (5871551785).

The spelling of 1420051544 in words is "one billion, four hundred twenty million, fifty-one thousand, five hundred forty-four".