42949672940 has 12 divisors (see below), whose sum is σ = 90194313216. Its totient is φ = 17179869168.

The previous prime is 42949672903. The next prime is 42949672943. The reversal of 42949672940 is 4927694924.

It is not an unprimeable number, because it can be changed into a prime (42949672943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073741804 + ... + 1073741843.

It is an arithmetic number, because the mean of its divisors is an integer number (7516192768).

Almost surely, 2^42949672940 is an apocalyptic number.

It is an amenable number.

42949672940 is an abundant number, since it is smaller than the sum of its proper divisors (47244640276).

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

42949672940 is a wasteful number, since it uses less digits than its factorization.

42949672940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147483656 (or 2147483654 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 42949672940 in words is "forty-two billion, nine hundred forty-nine million, six hundred seventy-two thousand, nine hundred forty".