42262690 has 16 divisors (see below), whose sum is σ = 76531392. Its totient is φ = 16803184.

The previous prime is 42262639. The next prime is 42262699. The reversal of 42262690 is 9626224.

It is a super-2 number, since 2×42262690² = 3572269932072200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42262699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10984 + ... + 14323.

It is an arithmetic number, because the mean of its divisors is an integer number (4783212).

Almost surely, 2^42262690 is an apocalyptic number.

42262690 is a deficient number, since it is larger than the sum of its proper divisors (34268702).

42262690 is a wasteful number, since it uses less digits than its factorization.

42262690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25481.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 42262690 is about 6500.9760805590. The cubic root of 42262690 is about 348.3258552203.

The spelling of 42262690 in words is "forty-two million, two hundred sixty-two thousand, six hundred ninety".