1420423410 has 64 divisors (see below), whose sum is σ = 4021714944. Its totient is φ = 314193600.

The previous prime is 1420423409. The next prime is 1420423421. The reversal of 1420423410 is 143240241.

1420423410 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102586 + ... + 115605.

It is an arithmetic number, because the mean of its divisors is an integer number (62839296).

Almost surely, 2^1420423410 is an apocalyptic number.

1420423410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420423410 is an abundant number, since it is smaller than the sum of its proper divisors (2601291534).

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

1420423410 is a wasteful number, since it uses less digits than its factorization.

1420423410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218239.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420423410 is about 37688.5050114753. The cubic root of 1420423410 is about 1124.1025692335.

Adding to 1420423410 its reverse (143240241), we get a palindrome (1563663651).

The spelling of 1420423410 in words is "one billion, four hundred twenty million, four hundred twenty-three thousand, four hundred ten".