264807360378 has 64 divisors (see below), whose sum is σ = 643005360000. Its totient is φ = 80113639680.

The previous prime is 264807360373. The next prime is 264807360413. The reversal of 264807360378 is 873063708462.

264807360378 is a `hidden beast` number, since 2 + 6 + 480 + 73 + 60 + 37 + 8 = 666.

It is a super-2 number, since 2×264807360378² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (264807360373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498 + ... + 727746.

It is an arithmetic number, because the mean of its divisors is an integer number (10046958750).

Almost surely, 2^264807360378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264807360378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321502680000).

264807360378 is an abundant number, since it is smaller than the sum of its proper divisors (378197999622).

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

264807360378 is a wasteful number, since it uses less digits than its factorization.

264807360378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727884 (or 727878 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 264807360378 in words is "two hundred sixty-four billion, eight hundred seven million, three hundred sixty thousand, three hundred seventy-eight".