42093957234 has 64 divisors (see below), whose sum is σ = 99467698176. Its totient is φ = 11625997824.

The previous prime is 42093957229. The next prime is 42093957239. The reversal of 42093957234 is 43275939024.

It is an interprime number because it is at equal distance from previous prime (42093957229) and next prime (42093957239).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42093957239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55039 + ... + 295325.

It is an arithmetic number, because the mean of its divisors is an integer number (1554182784).

Almost surely, 2^42093957234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42093957234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49733849088).

42093957234 is an abundant number, since it is smaller than the sum of its proper divisors (57373740942).

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

42093957234 is a wasteful number, since it uses less digits than its factorization.

42093957234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240439.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 42093957234 in words is "forty-two billion, ninety-three million, nine hundred fifty-seven thousand, two hundred thirty-four".