266774364 has 96 divisors (see below), whose sum is σ = 753312000. Its totient is φ = 81321408.

The previous prime is 266774357. The next prime is 266774371. The reversal of 266774364 is 463477662.

It is an interprime number because it is at equal distance from previous prime (266774357) and next prime (266774371).

It is a super-2 number, since 2×266774364² = 142337122575208992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (1016064) is a multiple of the sum of its prime divisors (4536).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57267 + ... + 61749.

It is an arithmetic number, because the mean of its divisors is an integer number (7847000).

Almost surely, 2^266774364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266774364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376656000).

266774364 is an abundant number, since it is smaller than the sum of its proper divisors (486537636).

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

266774364 is a wasteful number, since it uses less digits than its factorization.

266774364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4536 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The square root of 266774364 is about 16333.2288295977. The cubic root of 266774364 is about 643.7462286014.

The spelling of 266774364 in words is "two hundred sixty-six million, seven hundred seventy-four thousand, three hundred sixty-four".