47034642042 has 12 divisors (see below), whose sum is σ = 101908391130. Its totient is φ = 15678214008.

The previous prime is 47034642019. The next prime is 47034642043. The reversal of 47034642042 is 24024643074.

47034642042 is a `hidden beast` number, since 4 + 7 + 0 + 3 + 4 + 642 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47028693321 + 5948721 = 216861^2 + 2439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47034641988 and 47034642006.

It is not an unprimeable number, because it can be changed into a prime (47034642043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306517817 + ... + 1306517852.

Almost surely, 2^47034642042 is an apocalyptic number.

47034642042 is an abundant number, since it is smaller than the sum of its proper divisors (54873749088).

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

47034642042 is a wasteful number, since it uses less digits than its factorization.

47034642042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613035677 (or 2613035674 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The spelling of 47034642042 in words is "forty-seven billion, thirty-four million, six hundred forty-two thousand, forty-two".