266030490 has 32 divisors (see below), whose sum is σ = 696517056. Its totient is φ = 64492160.

The previous prime is 266030483. The next prime is 266030519. The reversal of 266030490 is 94030662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402747 + ... + 403406.

It is an arithmetic number, because the mean of its divisors is an integer number (21766158).

Almost surely, 2^266030490 is an apocalyptic number.

266030490 is an abundant number, since it is smaller than the sum of its proper divisors (430486566).

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

266030490 is a wasteful number, since it uses less digits than its factorization.

266030490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806174.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 266030490 is about 16310.4411344390. The cubic root of 266030490 is about 643.1473306464.

The spelling of 266030490 in words is "two hundred sixty-six million, thirty thousand, four hundred ninety".