1940246904897 has 24 divisors (see below), whose sum is σ = 3208697683776. Its totient is φ = 1106721989856.

The previous prime is 1940246904889. The next prime is 1940246904913. The reversal of 1940246904897 is 7984096420491.

1940246904897 is a `hidden beast` number, since 1 + 9 + 40 + 2 + 469 + 0 + 48 + 97 = 666.

It is not a de Polignac number, because 1940246904897 - 2³ = 1940246904889 is a prime.

It is a super-3 number, since 3×1940246904897³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1940246904877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27610843 + ... + 27681024.

It is an arithmetic number, because the mean of its divisors is an integer number (133695736824).

Almost surely, 2^{1940246904897} is an apocalyptic number.

It is an amenable number.

1940246904897 is a deficient number, since it is larger than the sum of its proper divisors (1268450778879).

1940246904897 is a wasteful number, since it uses less digits than its factorization.

1940246904897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55292437 (or 55292434 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 1940246904897 in words is "one trillion, nine hundred forty billion, two hundred forty-six million, nine hundred four thousand, eight hundred ninety-seven".