44690239989 has 12 divisors (see below), whose sum is σ = 64560302976. Its totient is φ = 29789923752.

The previous prime is 44690239987. The next prime is 44690239991. The reversal of 44690239989 is 98993209644.

It is a happy number.

44690239989 is a `hidden beast` number, since 4 + 469 + 0 + 2 + 3 + 99 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (44690239987) and next prime (44690239991).

It is not a de Polignac number, because 44690239989 - 2¹ = 44690239987 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44690239987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217029 + ... + 369434.

It is an arithmetic number, because the mean of its divisors is an integer number (5380025248).

Almost surely, 2^44690239989 is an apocalyptic number.

It is an amenable number.

44690239989 is a deficient number, since it is larger than the sum of its proper divisors (19870062987).

44690239989 is a wasteful number, since it uses less digits than its factorization.

44690239989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594936 (or 594933 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 44690239989 in words is "forty-four billion, six hundred ninety million, two hundred thirty-nine thousand, nine hundred eighty-nine".