266326040 has 32 divisors (see below), whose sum is σ = 630774000. Its totient is φ = 100923264.

The previous prime is 266326031. The next prime is 266326051. The reversal of 266326040 is 40623662.

It is a junction number, because it is equal to n+sod(n) for n = 266325994 and 266326012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174455 + ... + 175974.

Almost surely, 2^266326040 is an apocalyptic number.

266326040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266326040 is an abundant number, since it is smaller than the sum of its proper divisors (364447960).

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

266326040 is a wasteful number, since it uses less digits than its factorization.

266326040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350459 (or 350455 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 266326040 is about 16319.4987668127. The cubic root of 266326040 is about 643.3854134386.

The spelling of 266326040 in words is "two hundred sixty-six million, three hundred twenty-six thousand, forty".