1940463461 has 8 divisors (see below), whose sum is σ = 1947378048. Its totient is φ = 1933560000.

The previous prime is 1940463439. The next prime is 1940463463. The reversal of 1940463461 is 1643640491.

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

It is a cyclic number.

It is not a de Polignac number, because 1940463461 - 2⁶ = 1940463397 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 (1940463463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491666 + ... + 495596.

It is an arithmetic number, because the mean of its divisors is an integer number (243422256).

Almost surely, 2^1940463461 is an apocalyptic number.

It is an amenable number.

1940463461 is a deficient number, since it is larger than the sum of its proper divisors (6914587).

1940463461 is a wasteful number, since it uses less digits than its factorization.

1940463461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1940463461 is about 44050.6919468923. The cubic root of 1940463461 is about 1247.2930136918.

The spelling of 1940463461 in words is "one billion, nine hundred forty million, four hundred sixty-three thousand, four hundred sixty-one".