264624040422 has 80 divisors (see below), whose sum is σ = 679582312992. Its totient is φ = 75392570880.

The previous prime is 264624040339. The next prime is 264624040469. The reversal of 264624040422 is 224040426462.

264624040422 is a `hidden beast` number, since 2 + 6 + 4 + 6 + 240 + 404 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69772 + ... + 730832.

Almost surely, 2^264624040422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264624040422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339791156496).

264624040422 is an abundant number, since it is smaller than the sum of its proper divisors (414958272570).

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

264624040422 is a wasteful number, since it uses less digits than its factorization.

264624040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661435 (or 661426 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 264624040422 its reverse (224040426462), we get a palindrome (488664466884).

The spelling of 264624040422 in words is "two hundred sixty-four billion, six hundred twenty-four million, forty thousand, four hundred twenty-two".