44397659403 has 12 divisors (see below), whose sum is σ = 64173273528. Its totient is φ = 29578445280.

The previous prime is 44397659353. The next prime is 44397659503. The reversal of 44397659403 is 30495679344.

It is a happy number.

44397659403 is a `hidden beast` number, since 4 + 43 + 9 + 7 + 6 + 594 + 0 + 3 = 666.

It is not a de Polignac number, because 44397659403 - 2¹³ = 44397651211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44397659403.

It is not an unprimeable number, because it can be changed into a prime (44397659003) 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, 1652125 + ... + 1678782.

It is an arithmetic number, because the mean of its divisors is an integer number (5347772794).

Almost surely, 2^44397659403 is an apocalyptic number.

44397659403 is a deficient number, since it is larger than the sum of its proper divisors (19775614125).

44397659403 is a wasteful number, since it uses less digits than its factorization.

44397659403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332394 (or 3332391 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 44397659403 in words is "forty-four billion, three hundred ninety-seven million, six hundred fifty-nine thousand, four hundred three".