47431000000404 has 18 divisors (see below), whose sum is σ = 119895027778890. Its totient is φ = 15810333333456.

The previous prime is 47431000000399. The next prime is 47431000000421. The reversal of 47431000000404 is 40400000013474.

It can be written as a sum of positive squares in only one way, i.e., 28556754197904 + 18874245802500 = 5343852^2 + 4344450^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×47431000000404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658763888859 + ... + 658763888930.

It is an arithmetic number, because the mean of its divisors is an integer number (6660834876605).

Almost surely, 2^{47431000000404} is an apocalyptic number.

It is an amenable number.

47431000000404 is an abundant number, since it is smaller than the sum of its proper divisors (72464027778486).

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

47431000000404 is a wasteful number, since it uses less digits than its factorization.

47431000000404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317527777799 (or 1317527777794 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 47431000000404 its reverse (40400000013474), we get a palindrome (87831000013878).

The spelling of 47431000000404 in words is "forty-seven trillion, four hundred thirty-one billion, four hundred four", and thus it is an aban number.