1940448694 has 8 divisors (see below), whose sum is σ = 2916602568. Its totient is φ = 968247840.

The previous prime is 1940448677. The next prime is 1940448703. The reversal of 1940448694 is 4968440491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1940448694² = 7530682268092611272, which contains 22 as substring.

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, 987027 + ... + 988990.

It is an arithmetic number, because the mean of its divisors is an integer number (364575321).

Almost surely, 2^1940448694 is an apocalyptic number.

1940448694 is a deficient number, since it is larger than the sum of its proper divisors (976153874).

1940448694 is a wasteful number, since it uses less digits than its factorization.

1940448694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976510.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 1940448694 is about 44050.5243328612. The cubic root of 1940448694 is about 1247.2898497015.

The spelling of 1940448694 in words is "one billion, nine hundred forty million, four hundred forty-eight thousand, six hundred ninety-four".