1420332040 has 32 divisors (see below), whose sum is σ = 3197376000. Its totient is φ = 567843264.

The previous prime is 1420332029. The next prime is 1420332071. The reversal of 1420332040 is 402330241.

It is a junction number, because it is equal to n+sod(n) for n = 1420331999 and 1420332017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81631 + ... + 97489.

It is an arithmetic number, because the mean of its divisors is an integer number (99918000).

Almost surely, 2^1420332040 is an apocalyptic number.

1420332040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420332040 is an abundant number, since it is smaller than the sum of its proper divisors (1777043960).

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

1420332040 is a wasteful number, since it uses less digits than its factorization.

1420332040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109 (or 18105 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1420332040 is about 37687.2928186677. The cubic root of 1420332040 is about 1124.0784657506.

Adding to 1420332040 its reverse (402330241), we get a palindrome (1822662281).

The spelling of 1420332040 in words is "one billion, four hundred twenty million, three hundred thirty-two thousand, forty".