1420532740 has 144 divisors (see below), whose sum is σ = 3415950720. Its totient is φ = 495475200.

The previous prime is 1420532717. The next prime is 1420532753. The reversal of 1420532740 is 472350241.

It is a junction number, because it is equal to n+sod(n) for n = 1420532699 and 1420532708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10219591 + ... + 10219729.

It is an arithmetic number, because the mean of its divisors is an integer number (23721880).

Almost surely, 2^1420532740 is an apocalyptic number.

1420532740 is a gapful number since it is divisible by the number (10) 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 1420532740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707975360).

1420532740 is an abundant number, since it is smaller than the sum of its proper divisors (1995417980).

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

1420532740 is a wasteful number, since it uses less digits than its factorization.

1420532740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1420532740 is about 37689.9554258160. The cubic root of 1420532740 is about 1124.1314092212.

Adding to 1420532740 its reverse (472350241), we get a palindrome (1892882981).

The spelling of 1420532740 in words is "one billion, four hundred twenty million, five hundred thirty-two thousand, seven hundred forty".