46444440 has 64 divisors (see below), whose sum is σ = 159240960. Its totient is φ = 10615680.

The previous prime is 46444439. The next prime is 46444441. The reversal of 46444440 is 4444464.

46444440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (46444439) and next prime (46444441).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 46444398 and 46444407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26806 + ... + 28485.

It is an arithmetic number, because the mean of its divisors is an integer number (2488140).

Almost surely, 2^46444440 is an apocalyptic number.

46444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46444440 is an abundant number, since it is smaller than the sum of its proper divisors (112796520).

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

46444440 is a wasteful number, since it uses less digits than its factorization.

46444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55312 (or 55308 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 46444440 is about 6815.0157740096. The cubic root of 46444440 is about 359.4550396644.

The spelling of 46444440 in words is "forty-six million, four hundred forty-four thousand, four hundred forty".