43740794454 has 64 divisors (see below), whose sum is σ = 102548835840. Its totient is φ = 12177527040.

The previous prime is 43740794443. The next prime is 43740794467. The reversal of 43740794454 is 45449704734.

43740794454 = 104570² + 104571² + ... + 104573².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43740794397 and 43740794406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731562 + ... + 789090.

It is an arithmetic number, because the mean of its divisors is an integer number (1602325560).

Almost surely, 2^43740794454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43740794454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51274417920).

43740794454 is an abundant number, since it is smaller than the sum of its proper divisors (58808041386).

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

43740794454 is a wasteful number, since it uses less digits than its factorization.

43740794454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58005.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 43740794454 in words is "forty-three billion, seven hundred forty million, seven hundred ninety-four thousand, four hundred fifty-four".