7394978011484 has 48 divisors (see below), whose sum is σ = 15433523470848. Its totient is φ = 3031378371648.

The previous prime is 7394978011457. The next prime is 7394978011489. The reversal of 7394978011484 is 4841108794937.

It is a self number, because there is not a number n which added to its sum of digits gives 7394978011484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7394978011489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20400647 + ... + 20759969.

It is an arithmetic number, because the mean of its divisors is an integer number (321531738976).

Almost surely, 2^{7394978011484} is an apocalyptic number.

It is an amenable number.

7394978011484 is an abundant number, since it is smaller than the sum of its proper divisors (8038545459364).

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

7394978011484 is a wasteful number, since it uses less digits than its factorization.

7394978011484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391314 (or 391312 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 7394978011484 in words is "seven trillion, three hundred ninety-four billion, nine hundred seventy-eight million, eleven thousand, four hundred eighty-four".