218079005428 has 24 divisors (see below), whose sum is σ = 386896106240. Its totient is φ = 107537492160.

The previous prime is 218079005359. The next prime is 218079005483. The reversal of 218079005428 is 824500970812.

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, 5683933 + ... + 5722171.

Almost surely, 2^218079005428 is an apocalyptic number.

It is an amenable number.

218079005428 is a deficient number, since it is larger than the sum of its proper divisors (168817100812).

218079005428 is a wasteful number, since it uses less digits than its factorization.

218079005428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57847 (or 57845 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 218079005428 in words is "two hundred eighteen billion, seventy-nine million, five thousand, four hundred twenty-eight".