1420426460 has 24 divisors (see below), whose sum is σ = 2999383296. Its totient is φ = 565030080.

The previous prime is 1420426451. The next prime is 1420426477. The reversal of 1420426460 is 646240241.

It is a happy number.

It is a super-2 number, since 2×1420426460² = 4035222656536263200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192572 + ... + 199811.

It is an arithmetic number, because the mean of its divisors is an integer number (124974304).

Almost surely, 2^1420426460 is an apocalyptic number.

1420426460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420426460 is an abundant number, since it is smaller than the sum of its proper divisors (1578956836).

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

1420426460 is a wasteful number, since it uses less digits than its factorization.

1420426460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392573 (or 392571 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1420426460 is about 37688.5454747195. The cubic root of 1420426460 is about 1124.1033738083.

The spelling of 1420426460 in words is "one billion, four hundred twenty million, four hundred twenty-six thousand, four hundred sixty".