7439974954452 has 144 divisors (see below), whose sum is σ = 20270001168144. Its totient is φ = 2292364800000.

The previous prime is 7439974954421. The next prime is 7439974954463. The reversal of 7439974954452 is 2544594799347.

7439974954452 is a `hidden beast` number, since 7 + 4 + 3 + 9 + 9 + 74 + 9 + 544 + 5 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1009916462916 + 6430058491536 = 1004946^2 + 2535756^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24525702 + ... + 24827202.

It is an arithmetic number, because the mean of its divisors is an integer number (140763897001).

Almost surely, 2^{7439974954452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7439974954452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10135000584072).

7439974954452 is an abundant number, since it is smaller than the sum of its proper divisors (12830026213692).

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

7439974954452 is a wasteful number, since it uses less digits than its factorization.

7439974954452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302250 (or 302245 counting only the distinct ones).

The product of its digits is 1371686400, while the sum is 72.

The spelling of 7439974954452 in words is "seven trillion, four hundred thirty-nine billion, nine hundred seventy-four million, nine hundred fifty-four thousand, four hundred fifty-two".