42400111134 has 32 divisors (see below), whose sum is σ = 85448543616. Its totient is φ = 14025705120.

The previous prime is 42400111079. The next prime is 42400111177. The reversal of 42400111134 is 43111100424.

It is a self number, because there is not a number n which added to its sum of digits gives 42400111134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391044 + ... + 487560.

It is an arithmetic number, because the mean of its divisors is an integer number (2670266988).

Almost surely, 2^42400111134 is an apocalyptic number.

42400111134 is an abundant number, since it is smaller than the sum of its proper divisors (43048432482).

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

42400111134 is a wasteful number, since it uses less digits than its factorization.

42400111134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97080.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 42400111134 its reverse (43111100424), we get a palindrome (85511211558).

The spelling of 42400111134 in words is "forty-two billion, four hundred million, one hundred eleven thousand, one hundred thirty-four".