1864140803757 has 40 divisors (see below), whose sum is σ = 2826933454400. Its totient is φ = 1224195872328.

The previous prime is 1864140803743. The next prime is 1864140803813. The reversal of 1864140803757 is 7573080414681.

1864140803757 is a `hidden beast` number, since 1 + 86 + 414 + 0 + 80 + 3 + 75 + 7 = 666.

It is not a de Polignac number, because 1864140803757 - 2²³ = 1864132415149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864140803557) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24323544 + ... + 24400062.

It is an arithmetic number, because the mean of its divisors is an integer number (70673336360).

Almost surely, 2^{1864140803757} is an apocalyptic number.

It is an amenable number.

1864140803757 is a deficient number, since it is larger than the sum of its proper divisors (962792650643).

1864140803757 is an frugal number, since it uses more digits than its factorization.

1864140803757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76732 (or 76589 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 1864140803757 in words is "one trillion, eight hundred sixty-four billion, one hundred forty million, eight hundred three thousand, seven hundred fifty-seven".