2352542440 has 24 divisors (see below), whose sum is σ = 5293910790. Its totient is φ = 940894272.

The previous prime is 2352542431. The next prime is 2352542443. The reversal of 2352542440 is 442452532.

It can be written as a sum of positive squares in 3 ways, for example, as 2332310436 + 20232004 = 48294^2 + 4498^2 .

It is not an unprimeable number, because it can be changed into a prime (2352542443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302926 + ... + 310594.

Almost surely, 2^2352542440 is an apocalyptic number.

2352542440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2352542440 is an abundant number, since it is smaller than the sum of its proper divisors (2941368350).

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

2352542440 is an frugal number, since it uses more digits than its factorization.

2352542440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15349 (or 7676 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 2352542440 is about 48503.0147516626. The cubic root of 2352542440 is about 1329.9821807777.

Adding to 2352542440 its reverse (442452532), we get a palindrome (2794994972).

The spelling of 2352542440 in words is "two billion, three hundred fifty-two million, five hundred forty-two thousand, four hundred forty".