1044120417893 has 64 divisors (see below), whose sum is σ = 1275789312000. Its totient is φ = 853145475840.

The previous prime is 1044120417881. The next prime is 1044120417911. The reversal of 1044120417893 is 3987140214401.

It is not a de Polignac number, because 1044120417893 - 2⁴ = 1044120417877 is a prime.

It is a super-2 number, since 2×1044120417893² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044120417863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 338010893 + ... + 338013981.

It is an arithmetic number, because the mean of its divisors is an integer number (19934208000).

Almost surely, 2^{1044120417893} is an apocalyptic number.

It is an amenable number.

1044120417893 is a deficient number, since it is larger than the sum of its proper divisors (231668894107).

1044120417893 is an equidigital number, since it uses as much as digits as its factorization.

1044120417893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 1044120417893 in words is "one trillion, forty-four billion, one hundred twenty million, four hundred seventeen thousand, eight hundred ninety-three".