4252505340 has 48 divisors (see below), whose sum is σ = 11909977632. Its totient is φ = 1133719296.

The previous prime is 4252505329. The next prime is 4252505353. The reversal of 4252505340 is 435052524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4252505298 and 4252505307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366102 + ... + 377538.

It is an arithmetic number, because the mean of its divisors is an integer number (248124534).

Almost surely, 2^4252505340 is an apocalyptic number.

It is an amenable number.

4252505340 is an abundant number, since it is smaller than the sum of its proper divisors (7657472292).

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

4252505340 is a wasteful number, since it uses less digits than its factorization.

4252505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17646 (or 17644 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 4252505340 is about 65211.2363017295. The cubic root of 4252505340 is about 1620.1241255296.

Adding to 4252505340 its reverse (435052524), we get a palindrome (4687557864).

The spelling of 4252505340 in words is "four billion, two hundred fifty-two million, five hundred five thousand, three hundred forty".