5265621042 has 16 divisors (see below), whose sum is σ = 11488627872. Its totient is φ = 1595642720.

The previous prime is 5265621019. The next prime is 5265621043. The reversal of 5265621042 is 2401265625.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 5265620994 and 5265621012.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39891003 + ... + 39891134.

It is an arithmetic number, because the mean of its divisors is an integer number (718039242).

Almost surely, 2^5265621042 is an apocalyptic number.

5265621042 is an abundant number, since it is smaller than the sum of its proper divisors (6223006830).

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

5265621042 is a wasteful number, since it uses less digits than its factorization.

5265621042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79782153.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 5265621042 is about 72564.5990962535. The cubic root of 5265621042 is about 1739.7353983954.

Adding to 5265621042 its reverse (2401265625), we get a palindrome (7666886667).

The spelling of 5265621042 in words is "five billion, two hundred sixty-five million, six hundred twenty-one thousand, forty-two".