1420324140 has 48 divisors (see below), whose sum is σ = 3982698720. Its totient is φ = 378201600.

The previous prime is 1420324127. The next prime is 1420324151. The reversal of 1420324140 is 414230241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25176 + ... + 58944.

It is an arithmetic number, because the mean of its divisors is an integer number (82972890).

Almost surely, 2^1420324140 is an apocalyptic number.

1420324140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420324140 is an abundant number, since it is smaller than the sum of its proper divisors (2562374580).

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

1420324140 is a wasteful number, since it uses less digits than its factorization.

1420324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34482 (or 34480 counting only the distinct ones).

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

The square root of 1420324140 is about 37687.1880086589. The cubic root of 1420324140 is about 1124.0763816754.

Adding to 1420324140 its reverse (414230241), we get a palindrome (1834554381).

The spelling of 1420324140 in words is "one billion, four hundred twenty million, three hundred twenty-four thousand, one hundred forty".