262421090 has 8 divisors (see below), whose sum is σ = 472357980. Its totient is φ = 104968432.

The previous prime is 262421083. The next prime is 262421147. The reversal of 262421090 is 90124262.

262421090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 238733401 + 23687689 = 15451^2 + 4867^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13121045 + ... + 13121064.

Almost surely, 2^262421090 is an apocalyptic number.

262421090 is a deficient number, since it is larger than the sum of its proper divisors (209936890).

262421090 is a wasteful number, since it uses less digits than its factorization.

262421090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26242116.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 262421090 is about 16199.4163475108. The cubic root of 262421090 is about 640.2254170149.

The spelling of 262421090 in words is "two hundred sixty-two million, four hundred twenty-one thousand, ninety".