46078129872 has 60 divisors (see below), whose sum is σ = 128972758980. Its totient is φ = 15357233664.

The previous prime is 46078129871. The next prime is 46078129913. The reversal of 46078129872 is 27892187064.

It is a happy number.

46078129872 is a `hidden beast` number, since 4 + 607 + 8 + 1 + 29 + 8 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28377423936 + 17700705936 = 168456^2 + 133044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46078129871) 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 11 ways as a sum of consecutive naturals, for example, 1273698 + ... + 1309374.

It is an arithmetic number, because the mean of its divisors is an integer number (2149545983).

Almost surely, 2^46078129872 is an apocalyptic number.

It is an amenable number.

46078129872 is an abundant number, since it is smaller than the sum of its proper divisors (82894629108).

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

46078129872 is a wasteful number, since it uses less digits than its factorization.

46078129872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44660 (or 44651 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 46078129872 in words is "forty-six billion, seventy-eight million, one hundred twenty-nine thousand, eight hundred seventy-two".