44621340 has 24 divisors (see below), whose sum is σ = 124939920. Its totient is φ = 11899008.

The previous prime is 44621309. The next prime is 44621393. The reversal of 44621340 is 4312644.

44621340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44621340.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 371785 + ... + 371904.

It is an arithmetic number, because the mean of its divisors is an integer number (5205830).

Almost surely, 2^44621340 is an apocalyptic number.

It is an amenable number.

44621340 is an abundant number, since it is smaller than the sum of its proper divisors (80318580).

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

44621340 is a wasteful number, since it uses less digits than its factorization.

44621340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743701 (or 743699 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 44621340 is about 6679.9206582114. The cubic root of 44621340 is about 354.6888498917.

Adding to 44621340 its reverse (4312644), we get a palindrome (48933984).

The spelling of 44621340 in words is "forty-four million, six hundred twenty-one thousand, three hundred forty".