264252403000 has 128 divisors (see below), whose sum is σ = 657451080000. Its totient is φ = 99068928000.

The previous prime is 264252402977. The next prime is 264252403021. The reversal of 264252403000 is 304252462.

It is a self number, because there is not a number n which added to its sum of digits gives 264252403000.

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, 4064751 + ... + 4129249.

Almost surely, 2^264252403000 is an apocalyptic number.

264252403000 is a gapful number since it is divisible by the number (20) 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 264252403000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328725540000).

264252403000 is an abundant number, since it is smaller than the sum of its proper divisors (393198677000).

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

264252403000 is a wasteful number, since it uses less digits than its factorization.

264252403000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64778 (or 64764 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 264252403000 its reverse (304252462), we get a palindrome (264556655462).

The spelling of 264252403000 in words is "two hundred sixty-four billion, two hundred fifty-two million, four hundred three thousand".