7324139152640 has 144 divisors (see below), whose sum is σ = 17644486608000. Its totient is φ = 2912830119936.

The previous prime is 7324139152609. The next prime is 7324139152697. The reversal of 7324139152640 is 462519314237.

It is a super-4 number, since 4×7324139152640⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 380287331 + ... + 380306589.

It is an arithmetic number, because the mean of its divisors is an integer number (122531157000).

Almost surely, 2^{7324139152640} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7324139152640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8822243304000).

7324139152640 is an abundant number, since it is smaller than the sum of its proper divisors (10320347455360).

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

7324139152640 is a wasteful number, since it uses less digits than its factorization.

7324139152640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20972 (or 20958 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 7324139152640 in words is "seven trillion, three hundred twenty-four billion, one hundred thirty-nine million, one hundred fifty-two thousand, six hundred forty".