1240481216 has 28 divisors (see below), whose sum is σ = 2650933992. Its totient is φ = 572529408.

The previous prime is 1240481201. The next prime is 1240481219. The reversal of 1240481216 is 6121840421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240481219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744650 + ... + 746313.

It is an arithmetic number, because the mean of its divisors is an integer number (94676214).

Almost surely, 2^1240481216 is an apocalyptic number.

1240481216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1240481216 is an abundant number, since it is smaller than the sum of its proper divisors (1410452776).

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

1240481216 is a wasteful number, since it uses less digits than its factorization.

1240481216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490988 (or 1490978 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1240481216 is about 35220.4658685827. The cubic root of 1240481216 is about 1074.4760283345.

The spelling of 1240481216 in words is "one billion, two hundred forty million, four hundred eighty-one thousand, two hundred sixteen".