4261196646 has 80 divisors (see below), whose sum is σ = 11035141920. Its totient is φ = 1203776640.

The previous prime is 4261196609. The next prime is 4261196657. The reversal of 4261196646 is 6466911624.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79816 + ... + 122036.

It is an arithmetic number, because the mean of its divisors is an integer number (137939274).

Almost surely, 2^4261196646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4261196646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5517570960).

4261196646 is an abundant number, since it is smaller than the sum of its proper divisors (6773945274).

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

4261196646 is a wasteful number, since it uses less digits than its factorization.

4261196646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42331 (or 42322 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 4261196646 is about 65277.8419220489. The cubic root of 4261196646 is about 1621.2271155189.

The spelling of 4261196646 in words is "four billion, two hundred sixty-one million, one hundred ninety-six thousand, six hundred forty-six".