1420553450 has 24 divisors (see below), whose sum is σ = 2647979328. Its totient is φ = 566984880.

The previous prime is 1420553447. The next prime is 1420553483. The reversal of 1420553450 is 543550241.

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, 7532 + ... + 53831.

It is an arithmetic number, because the mean of its divisors is an integer number (110332472).

Almost surely, 2^1420553450 is an apocalyptic number.

1420553450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420553450 is a deficient number, since it is larger than the sum of its proper divisors (1227425878).

1420553450 is a wasteful number, since it uses less digits than its factorization.

1420553450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61838 (or 61833 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1420553450 is about 37690.2301664503. The cubic root of 1420553450 is about 1124.1368721126.

The spelling of 1420553450 in words is "one billion, four hundred twenty million, five hundred fifty-three thousand, four hundred fifty".