418450677138 has 48 divisors (see below), whose sum is σ = 1033819329816. Its totient is φ = 121180285440.

The previous prime is 418450677101. The next prime is 418450677163. The reversal of 418450677138 is 831776054814.

418450677138 is a `hidden beast` number, since 41 + 84 + 506 + 7 + 7 + 13 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 231435079929 + 187015597209 = 481077^2 + 432453^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52591633 + ... + 52599588.

Almost surely, 2^418450677138 is an apocalyptic number.

418450677138 is an abundant number, since it is smaller than the sum of its proper divisors (615368652678).

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

418450677138 is a wasteful number, since it uses less digits than its factorization.

418450677138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105191259 (or 105191256 counting only the distinct ones).

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

The spelling of 418450677138 in words is "four hundred eighteen billion, four hundred fifty million, six hundred seventy-seven thousand, one hundred thirty-eight".