1940491448 has 16 divisors (see below), whose sum is σ = 4158196080. Its totient is φ = 831639168.

The previous prime is 1940491417. The next prime is 1940491459. The reversal of 1940491448 is 8441940491.

It is a super-6 number, since 6×1940491448⁶ (a number of 57 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1940491399 and 1940491408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17325761 + ... + 17325872.

It is an arithmetic number, because the mean of its divisors is an integer number (259887255).

Almost surely, 2^1940491448 is an apocalyptic number.

It is an amenable number.

1940491448 is an abundant number, since it is smaller than the sum of its proper divisors (2217704632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940491448 is a wasteful number, since it uses less digits than its factorization.

1940491448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34651646 (or 34651642 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1940491448 is about 44051.0096138556. The cubic root of 1940491448 is about 1247.2990101668.

The spelling of 1940491448 in words is "one billion, nine hundred forty million, four hundred ninety-one thousand, four hundred forty-eight".