47642510144 has 14 divisors (see below), whose sum is σ = 94540606194. Its totient is φ = 23821255040.

The previous prime is 47642510143. The next prime is 47642510159. The reversal of 47642510144 is 44101524674.

It can be written as a sum of positive squares in only one way, i.e., 40839559744 + 6802950400 = 202088^2 + 82480^2 .

It is a super-2 number, since 2×47642510144² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47642510098 and 47642510107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47642510143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372207047 + ... + 372207174.

Almost surely, 2^47642510144 is an apocalyptic number.

It is an amenable number.

47642510144 is a deficient number, since it is larger than the sum of its proper divisors (46898096050).

47642510144 is an equidigital number, since it uses as much as digits as its factorization.

47642510144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744414233 (or 744414223 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 47642510144 in words is "forty-seven billion, six hundred forty-two million, five hundred ten thousand, one hundred forty-four".