44444690 has 8 divisors (see below), whose sum is σ = 80000460. Its totient is φ = 17777872.

The previous prime is 44444677. The next prime is 44444693. The reversal of 44444690 is 9644444.

It can be written as a sum of positive squares in 2 ways, for example, as 38775529 + 5669161 = 6227^2 + 2381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×44444690² = 3950660938392200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44444690.

It is not an unprimeable number, because it can be changed into a prime (44444693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222225 + ... + 2222244.

Almost surely, 2^44444690 is an apocalyptic number.

44444690 is a deficient number, since it is larger than the sum of its proper divisors (35555770).

44444690 is a wasteful number, since it uses less digits than its factorization.

44444690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444476.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 44444690 is about 6666.6850833079. The cubic root of 44444690 is about 354.2201754140.

The spelling of 44444690 in words is "forty-four million, four hundred forty-four thousand, six hundred ninety".