264615428 has 48 divisors (see below), whose sum is σ = 586005504. Its totient is φ = 101550240.

The previous prime is 264615427. The next prime is 264615479. The reversal of 264615428 is 824516462.

264615428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 264615391 and 264615400.

It is not an unprimeable number, because it can be changed into a prime (264615427) 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, 14225 + ... + 27047.

It is an arithmetic number, because the mean of its divisors is an integer number (12208448).

Almost surely, 2^264615428 is an apocalyptic number.

264615428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264615428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293002752).

264615428 is an abundant number, since it is smaller than the sum of its proper divisors (321390076).

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

264615428 is a wasteful number, since it uses less digits than its factorization.

264615428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912 (or 12910 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 264615428 is about 16267.0042724529. The cubic root of 264615428 is about 642.0049656225.

The spelling of 264615428 in words is "two hundred sixty-four million, six hundred fifteen thousand, four hundred twenty-eight".