1420394624 has 96 divisors (see below), whose sum is σ = 3228679440. Its totient is φ = 617239040.

The previous prime is 1420394603. The next prime is 1420394663. The reversal of 1420394624 is 4264930241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743879 + ... + 745785.

Almost surely, 2^1420394624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420394624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614339720).

1420394624 is an abundant number, since it is smaller than the sum of its proper divisors (1808284816).

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

1420394624 is a wasteful number, since it uses less digits than its factorization.

1420394624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1420394624 is about 37688.1231159101. The cubic root of 1420394624 is about 1124.0949755740.

The spelling of 1420394624 in words is "one billion, four hundred twenty million, three hundred ninety-four thousand, six hundred twenty-four".