42140432034 has 64 divisors (see below), whose sum is σ = 96914592000. Its totient is φ = 13556833920.

The previous prime is 42140431999. The next prime is 42140432041. The reversal of 42140432034 is 43023404124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42140431989 and 42140432007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5569614 + ... + 5577174.

It is an arithmetic number, because the mean of its divisors is an integer number (1514290500).

Almost surely, 2^42140432034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42140432034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48457296000).

42140432034 is an abundant number, since it is smaller than the sum of its proper divisors (54774159966).

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

42140432034 is a wasteful number, since it uses less digits than its factorization.

42140432034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160 (or 11154 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42140432034 its reverse (43023404124), we get a palindrome (85163836158).

The spelling of 42140432034 in words is "forty-two billion, one hundred forty million, four hundred thirty-two thousand, thirty-four".