47042978132 has 24 divisors (see below), whose sum is σ = 84108525480. Its totient is φ = 23017420800.

The previous prime is 47042978089. The next prime is 47042978183. The reversal of 47042978132 is 23187924074.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 509585476 + 46533392656 = 22574^2 + 215716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646619 + ... + 715682.

It is an arithmetic number, because the mean of its divisors is an integer number (3504521895).

Almost surely, 2^47042978132 is an apocalyptic number.

It is an amenable number.

47042978132 is a deficient number, since it is larger than the sum of its proper divisors (37065547348).

47042978132 is a wasteful number, since it uses less digits than its factorization.

47042978132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362491 (or 1362489 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 47042978132 in words is "forty-seven billion, forty-two million, nine hundred seventy-eight thousand, one hundred thirty-two".