53352262440 has 128 divisors (see below), whose sum is σ = 181624896000. Its totient is φ = 13924548864.

The previous prime is 53352262417. The next prime is 53352262441. The reversal of 53352262440 is 4426225335.

53352262440 is a `hidden beast` number, since 5 + 3 + 3 + 5 + 22 + 624 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53352262395 and 53352262404.

It is not an unprimeable number, because it can be changed into a prime (53352262441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474775 + ... + 576294.

It is an arithmetic number, because the mean of its divisors is an integer number (1418944500).

Almost surely, 2^53352262440 is an apocalyptic number.

It is an amenable number.

53352262440 is an abundant number, since it is smaller than the sum of its proper divisors (128272633560).

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

53352262440 is a wasteful number, since it uses less digits than its factorization.

53352262440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051136 (or 1051126 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 53352262440 its reverse (4426225335), we get a palindrome (57778487775).

The spelling of 53352262440 in words is "fifty-three billion, three hundred fifty-two million, two hundred sixty-two thousand, four hundred forty".