842661430 has 32 divisors (see below), whose sum is σ = 1645969248. Its totient is φ = 308755200.

The previous prime is 842661367. The next prime is 842661431. The reversal of 842661430 is 34166248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842661431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7711 + ... + 41770.

It is an arithmetic number, because the mean of its divisors is an integer number (51436539).

Almost surely, 2^842661430 is an apocalyptic number.

842661430 is a deficient number, since it is larger than the sum of its proper divisors (803307818).

842661430 is a wasteful number, since it uses less digits than its factorization.

842661430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49632.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 842661430 is about 29028.6312112714. The cubic root of 842661430 is about 944.5342385315.

The spelling of 842661430 in words is "eight hundred forty-two million, six hundred sixty-one thousand, four hundred thirty".