40889434467 has 32 divisors (see below), whose sum is σ = 66087539712. Its totient is φ = 21952733184.

The previous prime is 40889434463. The next prime is 40889434513. The reversal of 40889434467 is 76443498804.

It is a happy number.

It is not a de Polignac number, because 40889434467 - 2² = 40889434463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40889434463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106738 + ... + 305240.

It is an arithmetic number, because the mean of its divisors is an integer number (2065235616).

Almost surely, 2^40889434467 is an apocalyptic number.

40889434467 is a deficient number, since it is larger than the sum of its proper divisors (25198105245).

40889434467 is a wasteful number, since it uses less digits than its factorization.

40889434467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199107.

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 40889434467 in words is "forty billion, eight hundred eighty-nine million, four hundred thirty-four thousand, four hundred sixty-seven".