46444291980 has 96 divisors (see below), whose sum is σ = 137933832960. Its totient is φ = 11643690240.

The previous prime is 46444291979. The next prime is 46444291987. The reversal of 46444291980 is 8919244464.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (46444291987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6159 + ... + 304838.

It is an arithmetic number, because the mean of its divisors is an integer number (1436810760).

Almost surely, 2^46444291980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46444291980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68966916480).

46444291980 is an abundant number, since it is smaller than the sum of its proper divisors (91489540980).

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

46444291980 is a wasteful number, since it uses less digits than its factorization.

46444291980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311159 (or 311157 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 46444291980 in words is "forty-six billion, four hundred forty-four million, two hundred ninety-one thousand, nine hundred eighty".