4961172042 has 96 divisors (see below), whose sum is σ = 11978366400. Its totient is φ = 1477357056.

The previous prime is 4961172037. The next prime is 4961172049. The reversal of 4961172042 is 2402711694.

It is a happy number.

It is a super-2 number, since 2×4961172042² = 49226456060644899528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4961171988 and 4961172006.

It is not an unprimeable number, because it can be changed into a prime (4961172049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420658 + ... + 432290.

It is an arithmetic number, because the mean of its divisors is an integer number (124774650).

Almost surely, 2^4961172042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4961172042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5989183200).

4961172042 is an abundant number, since it is smaller than the sum of its proper divisors (7017194358).

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

4961172042 is a wasteful number, since it uses less digits than its factorization.

4961172042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732 (or 11729 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4961172042 is about 70435.5878941888. The cubic root of 4961172042 is about 1705.5381143619.

The spelling of 4961172042 in words is "four billion, nine hundred sixty-one million, one hundred seventy-two thousand, forty-two".