44138037012435 has 24 divisors (see below), whose sum is σ = 78573658684560. Its totient is φ = 22904062448832.

The previous prime is 44138037012413. The next prime is 44138037012463. The reversal of 44138037012435 is 53421073083144.

It is a happy number.

44138037012435 is a `hidden beast` number, since 4 + 4 + 1 + 38 + 0 + 370 + 1 + 243 + 5 = 666.

It is not a de Polignac number, because 44138037012435 - 2⁹ = 44138037011923 is a prime.

It is a super-2 number, since 2×44138037012435² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 13254664105 + ... + 13254667434.

It is an arithmetic number, because the mean of its divisors is an integer number (3273902445190).

Almost surely, 2^{44138037012435} is an apocalyptic number.

44138037012435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44138037012435 is a deficient number, since it is larger than the sum of its proper divisors (34435621672125).

44138037012435 is a wasteful number, since it uses less digits than its factorization.

44138037012435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26509331587 (or 26509331584 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 44138037012435 in words is "forty-four trillion, one hundred thirty-eight billion, thirty-seven million, twelve thousand, four hundred thirty-five".