266450142 has 24 divisors (see below), whose sum is σ = 619905096. Its totient is φ = 76128528.

The previous prime is 266450137. The next prime is 266450153. The reversal of 266450142 is 241054662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452853 + ... + 453440.

It is an arithmetic number, because the mean of its divisors is an integer number (25829379).

Almost surely, 2^266450142 is an apocalyptic number.

266450142 is an abundant number, since it is smaller than the sum of its proper divisors (353454954).

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

266450142 is a wasteful number, since it uses less digits than its factorization.

266450142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906312 (or 906305 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 266450142 is about 16323.3005853596. The cubic root of 266450142 is about 643.4853323421.

The spelling of 266450142 in words is "two hundred sixty-six million, four hundred fifty thousand, one hundred forty-two".