44221602042135 has 24 divisors (see below), whose sum is σ = 87600887855520. Its totient is φ = 20215589504832.

The previous prime is 44221602042113. The next prime is 44221602042143. The reversal of 44221602042135 is 53124020612244.

44221602042135 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 1 + 602 + 0 + 42 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 44221602042135 - 2¹² = 44221602038039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44221602042135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70193018800 + ... + 70193019429.

It is an arithmetic number, because the mean of its divisors is an integer number (3650036993980).

Almost surely, 2^{44221602042135} is an apocalyptic number.

44221602042135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44221602042135 is a deficient number, since it is larger than the sum of its proper divisors (43379285813385).

44221602042135 is a wasteful number, since it uses less digits than its factorization.

44221602042135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140386038247 (or 140386038244 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 44221602042135 its reverse (53124020612244), we get a palindrome (97345622654379).

The spelling of 44221602042135 in words is "forty-four trillion, two hundred twenty-one billion, six hundred two million, forty-two thousand, one hundred thirty-five".