262040421 has 8 divisors (see below), whose sum is σ = 350887680. Its totient is φ = 173943392.

The previous prime is 262040413. The next prime is 262040447. The reversal of 262040421 is 124040262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 262040421 - 2³ = 262040413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262040021) 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, 186741 + ... + 188138.

It is an arithmetic number, because the mean of its divisors is an integer number (43860960).

Almost surely, 2^262040421 is an apocalyptic number.

It is an amenable number.

262040421 is a deficient number, since it is larger than the sum of its proper divisors (88847259).

262040421 is a wasteful number, since it uses less digits than its factorization.

262040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375115.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 262040421 is about 16187.6626169438. The cubic root of 262040421 is about 639.9156960896.

Adding to 262040421 its reverse (124040262), we get a palindrome (386080683).

The spelling of 262040421 in words is "two hundred sixty-two million, forty thousand, four hundred twenty-one".