264499378 has 32 divisors (see below), whose sum is σ = 481162752. Its totient is φ = 107395200.

The previous prime is 264499373. The next prime is 264499381. The reversal of 264499378 is 873994462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (264499373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6051 + ... + 23782.

It is an arithmetic number, because the mean of its divisors is an integer number (15036336).

Almost surely, 2^264499378 is an apocalyptic number.

264499378 is a deficient number, since it is larger than the sum of its proper divisors (216663374).

264499378 is a wasteful number, since it uses less digits than its factorization.

264499378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29890.

The product of its digits is 2612736, while the sum is 52.

The square root of 264499378 is about 16263.4368446525. The cubic root of 264499378 is about 641.9110991246.

The spelling of 264499378 in words is "two hundred sixty-four million, four hundred ninety-nine thousand, three hundred seventy-eight".