5265621040 has 20 divisors (see below), whose sum is σ = 12242569104. Its totient is φ = 2106248384.

The previous prime is 5265621019. The next prime is 5265621043. The reversal of 5265621040 is 401265625.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5265620993 and 5265621011.

It is not an unprimeable number, because it can be changed into a prime (5265621043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32910052 + ... + 32910211.

Almost surely, 2^5265621040 is an apocalyptic number.

It is an amenable number.

5265621040 is an abundant number, since it is smaller than the sum of its proper divisors (6976948064).

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

5265621040 is a wasteful number, since it uses less digits than its factorization.

5265621040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65820276 (or 65820270 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5265621040 is about 72564.5990824727. The cubic root of 5265621040 is about 1739.7353981751.

Adding to 5265621040 its reverse (401265625), we get a palindrome (5666886665).

The spelling of 5265621040 in words is "five billion, two hundred sixty-five million, six hundred twenty-one thousand, forty".