264402115 has 16 divisors (see below), whose sum is σ = 322035840. Its totient is φ = 208373760.

The previous prime is 264402101. The next prime is 264402161. The reversal of 264402115 is 511204462.

It is a happy number.

It is not a de Polignac number, because 264402115 - 2⁷ = 264401987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264402115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114775 + ... + 117055.

It is an arithmetic number, because the mean of its divisors is an integer number (20127240).

Almost surely, 2^264402115 is an apocalyptic number.

264402115 is a deficient number, since it is larger than the sum of its proper divisors (57633725).

264402115 is a wasteful number, since it uses less digits than its factorization.

264402115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 264402115 is about 16260.4463345875. The cubic root of 264402115 is about 641.8324072525.

Adding to 264402115 its reverse (511204462), we get a palindrome (775606577).

It can be divided in two parts, 26440 and 2115, that multiplied together give a triangular number (55920600 = T₁₀₅₇₅).

The spelling of 264402115 in words is "two hundred sixty-four million, four hundred two thousand, one hundred fifteen".