47939906742 has 128 divisors (see below), whose sum is σ = 119510028288. Its totient is φ = 12483072000.

The previous prime is 47939906737. The next prime is 47939906747. The reversal of 47939906742 is 24760993974.

It is an interprime number because it is at equal distance from previous prime (47939906737) and next prime (47939906747).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47939906747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23766918 + ... + 23768934.

It is an arithmetic number, because the mean of its divisors is an integer number (933672096).

Almost surely, 2^47939906742 is an apocalyptic number.

47939906742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47939906742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59755014144).

47939906742 is an abundant number, since it is smaller than the sum of its proper divisors (71570121546).

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

47939906742 is a wasteful number, since it uses less digits than its factorization.

47939906742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 47939906742 in words is "forty-seven billion, nine hundred thirty-nine million, nine hundred six thousand, seven hundred forty-two".