264037120778 has 16 divisors (see below), whose sum is σ = 396730232640. Its totient is φ = 131793838176.

The previous prime is 264037120771. The next prime is 264037120793. The reversal of 264037120778 is 877021730462.

It is a super-2 number, since 2×264037120778² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264037120771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337126 + ... + 4397582.

It is an arithmetic number, because the mean of its divisors is an integer number (24795639540).

Almost surely, 2^264037120778 is an apocalyptic number.

264037120778 is a deficient number, since it is larger than the sum of its proper divisors (132693111862).

264037120778 is a wasteful number, since it uses less digits than its factorization.

264037120778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64141.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 264037120778 in words is "two hundred sixty-four billion, thirty-seven million, one hundred twenty thousand, seven hundred seventy-eight".