1420629450 has 24 divisors (see below), whose sum is σ = 3523161408. Its totient is φ = 378834480.

The previous prime is 1420629443. The next prime is 1420629461. The reversal of 1420629450 is 549260241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4735282 + ... + 4735581.

It is an arithmetic number, because the mean of its divisors is an integer number (146798392).

Almost surely, 2^1420629450 is an apocalyptic number.

1420629450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420629450 is an abundant number, since it is smaller than the sum of its proper divisors (2102531958).

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

1420629450 is a wasteful number, since it uses less digits than its factorization.

1420629450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470878 (or 9470873 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1420629450 is about 37691.2383718020. The cubic root of 1420629450 is about 1124.1569189657.

Adding to 1420629450 its reverse (549260241), we get a palindrome (1969889691).

The spelling of 1420629450 in words is "one billion, four hundred twenty million, six hundred twenty-nine thousand, four hundred fifty".