264738155 has 8 divisors (see below), whose sum is σ = 346566384. Its totient is φ = 192536800.

The previous prime is 264738151. The next prime is 264738163. The reversal of 264738155 is 551837462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264738155 - 2² = 264738151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264738151) 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, 2406656 + ... + 2406765.

It is an arithmetic number, because the mean of its divisors is an integer number (43320798).

Almost surely, 2^264738155 is an apocalyptic number.

264738155 is a deficient number, since it is larger than the sum of its proper divisors (81828229).

264738155 is a wasteful number, since it uses less digits than its factorization.

264738155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813437.

The product of its digits is 201600, while the sum is 41.

The square root of 264738155 is about 16270.7761031857. The cubic root of 264738155 is about 642.1042029272.

The spelling of 264738155 in words is "two hundred sixty-four million, seven hundred thirty-eight thousand, one hundred fifty-five".