1420426655 has 4 divisors (see below), whose sum is σ = 1704511992. Its totient is φ = 1136341320.

The previous prime is 1420426613. The next prime is 1420426703. The reversal of 1420426655 is 5566240241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5566240241 = 72997 ⋅76253.

It is not a de Polignac number, because 1420426655 - 2¹⁰ = 1420425631 is a prime.

It is a super-2 number, since 2×1420426655² = 4035223764468978050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142042661 + ... + 142042670.

It is an arithmetic number, because the mean of its divisors is an integer number (426127998).

Almost surely, 2^1420426655 is an apocalyptic number.

1420426655 is a deficient number, since it is larger than the sum of its proper divisors (284085337).

1420426655 is an equidigital number, since it uses as much as digits as its factorization.

1420426655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284085336.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1420426655 is about 37688.5480617123. The cubic root of 1420426655 is about 1124.1034252483.

Adding to 1420426655 its reverse (5566240241), we get a palindrome (6986666896).

The spelling of 1420426655 in words is "one billion, four hundred twenty million, four hundred twenty-six thousand, six hundred fifty-five".