266422022240 has 48 divisors (see below), whose sum is σ = 686642216400. Its totient is φ = 96880734720.

The previous prime is 266422022233. The next prime is 266422022249. The reversal of 266422022240 is 42220224662.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 266422022197 and 266422022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266422022249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75686315 + ... + 75689834.

It is an arithmetic number, because the mean of its divisors is an integer number (14305046175).

Almost surely, 2^266422022240 is an apocalyptic number.

266422022240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266422022240 is an abundant number, since it is smaller than the sum of its proper divisors (420220194160).

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

266422022240 is a wasteful number, since it uses less digits than its factorization.

266422022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151376175 (or 151376167 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 266422022240 in words is "two hundred sixty-six billion, four hundred twenty-two million, twenty-two thousand, two hundred forty".