264169240 has 16 divisors (see below), whose sum is σ = 594380880. Its totient is φ = 105667680.

The previous prime is 264169211. The next prime is 264169247. The reversal of 264169240 is 42961462.

It is a junction number, because it is equal to n+sod(n) for n = 264169196 and 264169205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264169247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3302076 + ... + 3302155.

It is an arithmetic number, because the mean of its divisors is an integer number (37148805).

Almost surely, 2^264169240 is an apocalyptic number.

264169240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264169240 is an abundant number, since it is smaller than the sum of its proper divisors (330211640).

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

264169240 is a wasteful number, since it uses less digits than its factorization.

264169240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604242 (or 6604238 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 264169240 is about 16253.2839758616. The cubic root of 264169240 is about 641.6439183105.

The spelling of 264169240 in words is "two hundred sixty-four million, one hundred sixty-nine thousand, two hundred forty".