7424378005540 has 12 divisors (see below), whose sum is σ = 15591193811676. Its totient is φ = 2969751202208.

The previous prime is 7424378005523. The next prime is 7424378005543. The reversal of 7424378005540 is 455008734247.

It can be written as a sum of positive squares in 2 ways, for example, as 2112394814464 + 5311983191076 = 1453408^2 + 2304774^2 .

It is a super-2 number, since 2×7424378005540² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7424378005543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185609450119 + ... + 185609450158.

It is an arithmetic number, because the mean of its divisors is an integer number (1299266150973).

Almost surely, 2^{7424378005540} is an apocalyptic number.

It is an amenable number.

7424378005540 is an abundant number, since it is smaller than the sum of its proper divisors (8166815806136).

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

7424378005540 is a wasteful number, since it uses less digits than its factorization.

7424378005540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371218900286 (or 371218900284 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 7424378005540 in words is "seven trillion, four hundred twenty-four billion, three hundred seventy-eight million, five thousand, five hundred forty".