42893690730 has 128 divisors (see below), whose sum is σ = 118738897920. Its totient is φ = 9807459840.

The previous prime is 42893690683. The next prime is 42893690779. The reversal of 42893690730 is 3709639824.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1408222 + ... + 1438358.

It is an arithmetic number, because the mean of its divisors is an integer number (927647640).

Almost surely, 2^42893690730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42893690730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59369448960).

42893690730 is an abundant number, since it is smaller than the sum of its proper divisors (75845207190).

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

42893690730 is a wasteful number, since it uses less digits than its factorization.

42893690730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30404.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 42893690730 in words is "forty-two billion, eight hundred ninety-three million, six hundred ninety thousand, seven hundred thirty".