7438154113728 has 84 divisors (see below), whose sum is σ = 22960135464448. Its totient is φ = 2288662801920.

The previous prime is 7438154113699. The next prime is 7438154113769. The reversal of 7438154113728 is 8273114518347.

7438154113728 is a `hidden beast` number, since 7 + 4 + 3 + 81 + 541 + 13 + 7 + 2 + 8 = 666.

It is a super-2 number, since 2×7438154113728² (a number of 27 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 496664128 + ... + 496679103.

Almost surely, 2^{7438154113728} is an apocalyptic number.

7438154113728 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7438154113728 is an abundant number, since it is smaller than the sum of its proper divisors (15521981350720).

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

7438154113728 is a wasteful number, since it uses less digits than its factorization.

7438154113728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993343262 (or 993343249 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 7438154113728 in words is "seven trillion, four hundred thirty-eight billion, one hundred fifty-four million, one hundred thirteen thousand, seven hundred twenty-eight".