7440000912 has 60 divisors (see below), whose sum is σ = 20973707820. Its totient is φ = 2461891584.

The previous prime is 7440000907. The next prime is 7440000913. The reversal of 7440000912 is 2190000447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5075707536 + 2364293376 = 71244^2 + 48624^2 .

It is a super-2 number, since 2×7440000912² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7440000913) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 168837 + ... + 208292.

It is an arithmetic number, because the mean of its divisors is an integer number (349561797).

Almost surely, 2^7440000912 is an apocalyptic number.

7440000912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7440000912 is an abundant number, since it is smaller than the sum of its proper divisors (13533706908).

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

7440000912 is a wasteful number, since it uses less digits than its factorization.

7440000912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377280 (or 377271 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7440000912 is about 86255.4398980145. The cubic root of 7440000912 is about 1952.2000951043.

The spelling of 7440000912 in words is "seven billion, four hundred forty million, nine hundred twelve", and thus it is an aban number.