40958231418 has 40 divisors (see below), whose sum is σ = 98836535028. Its totient is φ = 12602532096.

The previous prime is 40958231417. The next prime is 40958231453. The reversal of 40958231418 is 81413285904.

40958231418 is a `hidden beast` number, since 40 + 9 + 582 + 3 + 14 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40726065249 + 232166169 = 201807^2 + 15237^2 .

It is not an unprimeable number, because it can be changed into a prime (40958231411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9722071 + ... + 9726282.

Almost surely, 2^40958231418 is an apocalyptic number.

40958231418 is an abundant number, since it is smaller than the sum of its proper divisors (57878303610).

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

40958231418 is a wasteful number, since it uses less digits than its factorization.

40958231418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19448380 (or 19448371 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 40958231418 in words is "forty billion, nine hundred fifty-eight million, two hundred thirty-one thousand, four hundred eighteen".