109426678428 has 24 divisors (see below), whose sum is σ = 258405170688. Its totient is φ = 36036094576.

The previous prime is 109426678411. The next prime is 109426678453. The reversal of 109426678428 is 824876624901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54932076 + ... + 54934067.

It is an arithmetic number, because the mean of its divisors is an integer number (10766882112).

Almost surely, 2^109426678428 is an apocalyptic number.

It is an amenable number.

109426678428 is an abundant number, since it is smaller than the sum of its proper divisors (148978492260).

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

109426678428 is a wasteful number, since it uses less digits than its factorization.

109426678428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109866233 (or 109866231 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 109426678428 in words is "one hundred nine billion, four hundred twenty-six million, six hundred seventy-eight thousand, four hundred twenty-eight".