1420757982 has 40 divisors (see below), whose sum is σ = 3638346096. Its totient is φ = 405930528.

The previous prime is 1420757951. The next prime is 1420758007. The reversal of 1420757982 is 2897570241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 625303 + ... + 627570.

Almost surely, 2^1420757982 is an apocalyptic number.

1420757982 is an abundant number, since it is smaller than the sum of its proper divisors (2217588114).

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

1420757982 is a wasteful number, since it uses less digits than its factorization.

1420757982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252894 (or 1252885 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1420757982 is about 37692.9433979359. The cubic root of 1420757982 is about 1124.1908207875.

The spelling of 1420757982 in words is "one billion, four hundred twenty million, seven hundred fifty-seven thousand, nine hundred eighty-two".