42115486 has 16 divisors (see below), whose sum is σ = 72769536. Its totient is φ = 17906616.

The previous prime is 42115483. The next prime is 42115499. The reversal of 42115486 is 68451124.

It is a super-2 number, since 2×42115486² = 3547428322032392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42115483) by changing a digit.

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, 10066 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (4548096).

Almost surely, 2^42115486 is an apocalyptic number.

42115486 is a deficient number, since it is larger than the sum of its proper divisors (30654050).

42115486 is a wasteful number, since it uses less digits than its factorization.

42115486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23823.

The product of its digits is 7680, while the sum is 31.

The square root of 42115486 is about 6489.6445203108. The cubic root of 42115486 is about 347.9209700752.

The spelling of 42115486 in words is "forty-two million, one hundred fifteen thousand, four hundred eighty-six".