44618437 has 2 divisors, whose sum is σ = 44618438. Its totient is φ = 44618436.

The previous prime is 44618429. The next prime is 44618461. The reversal of 44618437 is 73481644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30846916 + 13771521 = 5554^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 44618437 - 2³ = 44618429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44618396 and 44618405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44618407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22309218 + 22309219.

It is an arithmetic number, because the mean of its divisors is an integer number (22309219).

Almost surely, 2^44618437 is an apocalyptic number.

It is an amenable number.

44618437 is a deficient number, since it is larger than the sum of its proper divisors (1).

44618437 is an equidigital number, since it uses as much as digits as its factorization.

44618437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 44618437 is about 6679.7033616771. The cubic root of 44618437 is about 354.6811578766.

The spelling of 44618437 in words is "forty-four million, six hundred eighteen thousand, four hundred thirty-seven".