42115294 has 16 divisors (see below), whose sum is σ = 68146848. Its totient is φ = 19405152.

The previous prime is 42115253. The next prime is 42115303. The reversal of 42115294 is 49251124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21879 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (4259178).

Almost surely, 2^42115294 is an apocalyptic number.

42115294 is a deficient number, since it is larger than the sum of its proper divisors (26031554).

42115294 is a wasteful number, since it uses less digits than its factorization.

42115294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739.

The product of its digits is 2880, while the sum is 28.

The square root of 42115294 is about 6489.6297274960. The cubic root of 42115294 is about 347.9204413629.

The spelling of 42115294 in words is "forty-two million, one hundred fifteen thousand, two hundred ninety-four".