1420262650 has 48 divisors (see below), whose sum is σ = 2797838784. Its totient is φ = 535265280.

The previous prime is 1420262611. The next prime is 1420262659. The reversal of 1420262650 is 562620241.

It is not an unprimeable number, because it can be changed into a prime (1420262659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67834 + ... + 86266.

It is an arithmetic number, because the mean of its divisors is an integer number (58288308).

Almost surely, 2^1420262650 is an apocalyptic number.

1420262650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420262650 is a deficient number, since it is larger than the sum of its proper divisors (1377576134).

1420262650 is a wasteful number, since it uses less digits than its factorization.

1420262650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18535 (or 18530 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1420262650 is about 37686.3722053477. The cubic root of 1420262650 is about 1124.0601599196.

Adding to 1420262650 its reverse (562620241), we get a palindrome (1982882891).

The spelling of 1420262650 in words is "one billion, four hundred twenty million, two hundred sixty-two thousand, six hundred fifty".