266026864532 has 24 divisors (see below), whose sum is σ = 546936352032. Its totient is φ = 111619663200.

The previous prime is 266026864517. The next prime is 266026864577. The reversal of 266026864532 is 235468620662.

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, 232540394 + ... + 232541537.

It is an arithmetic number, because the mean of its divisors is an integer number (22789014668).

Almost surely, 2^266026864532 is an apocalyptic number.

266026864532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

266026864532 is an abundant number, since it is smaller than the sum of its proper divisors (280909487500).

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

266026864532 is a wasteful number, since it uses less digits than its factorization.

266026864532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465081959 (or 465081957 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 266026864532 in words is "two hundred sixty-six billion, twenty-six million, eight hundred sixty-four thousand, five hundred thirty-two".