7439945000 has 40 divisors (see below), whose sum is σ = 17431802850. Its totient is φ = 2975976000.

The previous prime is 7439944999. The next prime is 7439945027. The reversal of 7439945000 is 5499347.

It can be written as a sum of positive squares in 5 ways, for example, as 256704484 + 7183240516 = 16022^2 + 84754^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 738995 + ... + 748994.

Almost surely, 2^7439945000 is an apocalyptic number.

It is an amenable number.

7439945000 is an abundant number, since it is smaller than the sum of its proper divisors (9991857850).

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

7439945000 is a wasteful number, since it uses less digits than its factorization.

7439945000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488015 (or 1487996 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 7439945000 is about 86255.1157903112. The cubic root of 7439945000 is about 1952.1952047964.

The spelling of 7439945000 in words is "seven billion, four hundred thirty-nine million, nine hundred forty-five thousand".