1420434344 has 64 divisors (see below), whose sum is σ = 3164832000. Its totient is φ = 597210432.

The previous prime is 1420434313. The next prime is 1420434347. The reversal of 1420434344 is 4434340241.

It is a happy number.

It is a super-2 number, since 2×1420434344² = 4035267451229420672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420434347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140549 + ... + 150315.

It is an arithmetic number, because the mean of its divisors is an integer number (49450500).

Almost surely, 2^1420434344 is an apocalyptic number.

1420434344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420434344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582416000).

1420434344 is an abundant number, since it is smaller than the sum of its proper divisors (1744397656).

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

1420434344 is an equidigital number, since it uses as much as digits as its factorization.

1420434344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847 (or 9829 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 1420434344 is about 37688.6500686878. The cubic root of 1420434344 is about 1124.1054535627.

Adding to 1420434344 its reverse (4434340241), we get a palindrome (5854774585).

The spelling of 1420434344 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, three hundred forty-four".