7838012480740 has 24 divisors (see below), whose sum is σ = 17725966687800. Its totient is φ = 2894035377408.

The previous prime is 7838012480729. The next prime is 7838012480777. The reversal of 7838012480740 is 470842108387.

It can be written as a sum of positive squares in 4 ways, for example, as 708546429504 + 7129466051236 = 841752^2 + 2670106^2 .

It is a super-2 number, since 2×7838012480740² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15073100665 + ... + 15073101184.

It is an arithmetic number, because the mean of its divisors is an integer number (738581945325).

Almost surely, 2^{7838012480740} is an apocalyptic number.

It is an amenable number.

7838012480740 is an abundant number, since it is smaller than the sum of its proper divisors (9887954207060).

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

7838012480740 is a wasteful number, since it uses less digits than its factorization.

7838012480740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30146201871 (or 30146201869 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 7838012480740 in words is "seven trillion, eight hundred thirty-eight billion, twelve million, four hundred eighty thousand, seven hundred forty".