2447172042 has 32 divisors (see below), whose sum is σ = 5597741952. Its totient is φ = 698666304.

The previous prime is 2447172041. The next prime is 2447172061. The reversal of 2447172042 is 2402717442.

2447172042 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2447171994 and 2447172012.

It is not an unprimeable number, because it can be changed into a prime (2447172041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36448 + ... + 78884.

It is an arithmetic number, because the mean of its divisors is an integer number (174929436).

Almost surely, 2^2447172042 is an apocalyptic number.

2447172042 is an abundant number, since it is smaller than the sum of its proper divisors (3150569910).

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

2447172042 is a wasteful number, since it uses less digits than its factorization.

2447172042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43822.

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 2447172042 is about 49468.8997451934. The cubic root of 2447172042 is about 1347.5808604666.

Adding to 2447172042 its reverse (2402717442), we get a palindrome (4849889484).

The spelling of 2447172042 in words is "two billion, four hundred forty-seven million, one hundred seventy-two thousand, forty-two".