47451144740 has 24 divisors (see below), whose sum is σ = 99684519480. Its totient is φ = 18973388288.

The previous prime is 47451144739. The next prime is 47451144757. The reversal of 47451144740 is 4744115474.

It can be written as a sum of positive squares in 4 ways, for example, as 393387556 + 47057757184 = 19834^2 + 216928^2 .

It is a super-2 number, since 2×47451144740² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386645 + ... + 494364.

It is an arithmetic number, because the mean of its divisors is an integer number (4153521645).

Almost surely, 2^47451144740 is an apocalyptic number.

It is an amenable number.

47451144740 is an abundant number, since it is smaller than the sum of its proper divisors (52233374740).

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

47451144740 is a wasteful number, since it uses less digits than its factorization.

47451144740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883711 (or 883709 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 47451144740 in words is "forty-seven billion, four hundred fifty-one million, one hundred forty-four thousand, seven hundred forty".