1420011340 has 24 divisors (see below), whose sum is σ = 3253117392. Its totient is φ = 516367680.

The previous prime is 1420011337. The next prime is 1420011347. The reversal of 1420011340 is 431100241.

It is not an unprimeable number, because it can be changed into a prime (1420011347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227079 + ... + 3227518.

It is an arithmetic number, because the mean of its divisors is an integer number (135546558).

Almost surely, 2^1420011340 is an apocalyptic number.

1420011340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420011340 is an abundant number, since it is smaller than the sum of its proper divisors (1833106052).

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

1420011340 is a wasteful number, since it uses less digits than its factorization.

1420011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454617 (or 6454615 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1420011340 is about 37683.0378287101. The cubic root of 1420011340 is about 1123.9938566383.

Adding to 1420011340 its reverse (431100241), we get a palindrome (1851111581).

It can be divided in two parts, 142001 and 1340, that added together give a palindrome (143341).

The spelling of 1420011340 in words is "one billion, four hundred twenty million, eleven thousand, three hundred forty".