1420959380 has 12 divisors (see below), whose sum is σ = 2984014740. Its totient is φ = 568383744.

The previous prime is 1420959373. The next prime is 1420959451. The reversal of 1420959380 is 839590241.

It can be written as a sum of positive squares in 2 ways, for example, as 1061326084 + 359633296 = 32578^2 + 18964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35523965 + ... + 35524004.

It is an arithmetic number, because the mean of its divisors is an integer number (248667895).

Almost surely, 2^1420959380 is an apocalyptic number.

1420959380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420959380 is an abundant number, since it is smaller than the sum of its proper divisors (1563055360).

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

1420959380 is a wasteful number, since it uses less digits than its factorization.

1420959380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71047978 (or 71047976 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1420959380 is about 37695.6148643314. The cubic root of 1420959380 is about 1124.2439377595.

The spelling of 1420959380 in words is "one billion, four hundred twenty million, nine hundred fifty-nine thousand, three hundred eighty".