43678011438 has 12 divisors (see below), whose sum is σ = 94635691488. Its totient is φ = 14559337140.

The previous prime is 43678011427. The next prime is 43678011449. The reversal of 43678011438 is 83411087634.

43678011438 is a `hidden beast` number, since 436 + 78 + 0 + 1 + 143 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (43678011427) and next prime (43678011449).

It is a junction number, because it is equal to n+sod(n) for n = 43678011393 and 43678011402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1213278078 + ... + 1213278113.

It is an arithmetic number, because the mean of its divisors is an integer number (7886307624).

Almost surely, 2^43678011438 is an apocalyptic number.

43678011438 is an abundant number, since it is smaller than the sum of its proper divisors (50957680050).

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

43678011438 is a wasteful number, since it uses less digits than its factorization.

43678011438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426556199 (or 2426556196 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 43678011438 in words is "forty-three billion, six hundred seventy-eight million, eleven thousand, four hundred thirty-eight".