264424242025 has 24 divisors (see below), whose sum is σ = 343561832064. Its totient is φ = 201502329600.

The previous prime is 264424242007. The next prime is 264424242139. The reversal of 264424242025 is 520242424462.

It is not a de Polignac number, because 264424242025 - 2¹⁷ = 264424110953 is a prime.

It is a super-2 number, since 2×264424242025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 815509 + ... + 1092658.

It is an arithmetic number, because the mean of its divisors is an integer number (14315076336).

Almost surely, 2^264424242025 is an apocalyptic number.

264424242025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264424242025 is a deficient number, since it is larger than the sum of its proper divisors (79137590039).

264424242025 is a wasteful number, since it uses less digits than its factorization.

264424242025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908441 (or 1908436 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 264424242025 its reverse (520242424462), we get a palindrome (784666666487).

The spelling of 264424242025 in words is "two hundred sixty-four billion, four hundred twenty-four million, two hundred forty-two thousand, twenty-five".