5252440290 has 16 divisors (see below), whose sum is σ = 12605856768. Its totient is φ = 1400650736.

The previous prime is 5252440159. The next prime is 5252440321. The reversal of 5252440290 is 920442525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87540642 + ... + 87540701.

It is an arithmetic number, because the mean of its divisors is an integer number (787866048).

Almost surely, 2^5252440290 is an apocalyptic number.

5252440290 is an abundant number, since it is smaller than the sum of its proper divisors (7353416478).

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

5252440290 is a wasteful number, since it uses less digits than its factorization.

5252440290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175081353.

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

The square root of 5252440290 is about 72473.7213754061. The cubic root of 5252440290 is about 1738.2825668600.

The spelling of 5252440290 in words is "five billion, two hundred fifty-two million, four hundred forty thousand, two hundred ninety".