1420045732 has 24 divisors (see below), whose sum is σ = 2843035776. Its totient is φ = 607960128.

The previous prime is 1420045699. The next prime is 1420045811. The reversal of 1420045732 is 2375400241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1420045732.

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 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 53320.

It is an arithmetic number, because the mean of its divisors is an integer number (118459824).

Almost surely, 2^1420045732 is an apocalyptic number.

It is an amenable number.

1420045732 is an abundant number, since it is smaller than the sum of its proper divisors (1422990044).

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

1420045732 is a wasteful number, since it uses less digits than its factorization.

1420045732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52587 (or 52585 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1420045732 is about 37683.4941585835. The cubic root of 1420045732 is about 1124.0029307641.

Adding to 1420045732 its reverse (2375400241), we get a palindrome (3795445973).

The spelling of 1420045732 in words is "one billion, four hundred twenty million, forty-five thousand, seven hundred thirty-two".