266074842 has 32 divisors (see below), whose sum is σ = 583593984. Its totient is φ = 80202800.

The previous prime is 266074793. The next prime is 266074847. The reversal of 266074842 is 248470662.

It is a self number, because there is not a number n which added to its sum of digits gives 266074842.

It is not an unprimeable number, because it can be changed into a prime (266074847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2053 + ... + 23159.

It is an arithmetic number, because the mean of its divisors is an integer number (18237312).

Almost surely, 2^266074842 is an apocalyptic number.

266074842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

266074842 is an abundant number, since it is smaller than the sum of its proper divisors (317519142).

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

266074842 is a wasteful number, since it uses less digits than its factorization.

266074842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 266074842 is about 16311.8006976544. The cubic root of 266074842 is about 643.1830700152.

The spelling of 266074842 in words is "two hundred sixty-six million, seventy-four thousand, eight hundred forty-two".