7240123347740 has 96 divisors (see below), whose sum is σ = 15496682987520. Its totient is φ = 2840863104000.

The previous prime is 7240123347733. The next prime is 7240123347757. The reversal of 7240123347740 is 477433210427.

It is a junction number, because it is equal to n+sod(n) for n = 7240123347691 and 7240123347700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653966405 + ... + 653977475.

It is an arithmetic number, because the mean of its divisors is an integer number (161423781120).

Almost surely, 2^{7240123347740} is an apocalyptic number.

It is an amenable number.

7240123347740 is an abundant number, since it is smaller than the sum of its proper divisors (8256559639780).

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

7240123347740 is a wasteful number, since it uses less digits than its factorization.

7240123347740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13923 (or 13921 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 7240123347740 in words is "seven trillion, two hundred forty billion, one hundred twenty-three million, three hundred forty-seven thousand, seven hundred forty".