264380528742 has 64 divisors (see below), whose sum is σ = 585696165120. Its totient is φ = 78892963200.

The previous prime is 264380528701. The next prime is 264380528803. The reversal of 264380528742 is 247825083462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1059892 + ... + 1285352.

It is an arithmetic number, because the mean of its divisors is an integer number (9151502580).

Almost surely, 2^264380528742 is an apocalyptic number.

264380528742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 264380528742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292848082560).

264380528742 is an abundant number, since it is smaller than the sum of its proper divisors (321315636378).

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

264380528742 is a wasteful number, since it uses less digits than its factorization.

264380528742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225749.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 264380528742 in words is "two hundred sixty-four billion, three hundred eighty million, five hundred twenty-eight thousand, seven hundred forty-two".