2542440216 has 48 divisors (see below), whose sum is σ = 6433414200. Its totient is φ = 837189760.

The previous prime is 2542440209. The next prime is 2542440227. The reversal of 2542440216 is 6120442452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2329831 + ... + 2330921.

Almost surely, 2^2542440216 is an apocalyptic number.

It is an amenable number.

2542440216 is an abundant number, since it is smaller than the sum of its proper divisors (3890973984).

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

2542440216 is an equidigital number, since it uses as much as digits as its factorization.

2542440216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2542440216 is about 50422.6161161834. The cubic root of 2542440216 is about 1364.8457859565.

Adding to 2542440216 its reverse (6120442452), we get a palindrome (8662882668).

The spelling of 2542440216 in words is "two billion, five hundred forty-two million, four hundred forty thousand, two hundred sixteen".