264235516428 has 96 divisors (see below), whose sum is σ = 705436724160. Its totient is φ = 76378014720.

The previous prime is 264235516427. The next prime is 264235516429. The reversal of 264235516428 is 824615532462.

It is an interprime number because it is at equal distance from previous prime (264235516427) and next prime (264235516429).

It is not an unprimeable number, because it can be changed into a prime (264235516421) 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, 621903 + ... + 956678.

It is an arithmetic number, because the mean of its divisors is an integer number (7348299210).

Almost surely, 2^264235516428 is an apocalyptic number.

It is an amenable number.

264235516428 is an abundant number, since it is smaller than the sum of its proper divisors (441201207732).

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

264235516428 is a wasteful number, since it uses less digits than its factorization.

264235516428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578667 (or 1578665 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 264235516428 in words is "two hundred sixty-four billion, two hundred thirty-five million, five hundred sixteen thousand, four hundred twenty-eight".