7382420518440 has 128 divisors (see below), whose sum is σ = 24163870389120. Its totient is φ = 1789439078400.

The previous prime is 7382420518399. The next prime is 7382420518469. The reversal of 7382420518440 is 448150242837.

It is a super-2 number, since 2×7382420518440² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7382420518440.

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 31 ways as a sum of consecutive naturals, for example, 9632580 + ... + 10370700.

It is an arithmetic number, because the mean of its divisors is an integer number (188780237415).

Almost surely, 2^{7382420518440} is an apocalyptic number.

It is an amenable number.

7382420518440 is an abundant number, since it is smaller than the sum of its proper divisors (16781449870680).

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

7382420518440 is a wasteful number, since it uses less digits than its factorization.

7382420518440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745723 (or 745719 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 7382420518440 in words is "seven trillion, three hundred eighty-two billion, four hundred twenty million, five hundred eighteen thousand, four hundred forty".