46442664440 has 96 divisors (see below), whose sum is σ = 115081080480. Its totient is φ = 16834017024.

The previous prime is 46442664407. The next prime is 46442664473. The reversal of 46442664440 is 4446624464.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (46442664407) and next prime (46442664473).

It is a junction number, because it is equal to n+sod(n) for n = 46442664391 and 46442664400.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 262202 + ... + 402038.

It is an arithmetic number, because the mean of its divisors is an integer number (1198761255).

Almost surely, 2^46442664440 is an apocalyptic number.

46442664440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46442664440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57540540240).

46442664440 is an abundant number, since it is smaller than the sum of its proper divisors (68638416040).

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

46442664440 is a wasteful number, since it uses less digits than its factorization.

46442664440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139909 (or 139886 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 46442664440 in words is "forty-six billion, four hundred forty-two million, six hundred sixty-four thousand, four hundred forty".