1940875477 has 8 divisors (see below), whose sum is σ = 1987745760. Its totient is φ = 1894084080.

The previous prime is 1940875471. The next prime is 1940875483. The reversal of 1940875477 is 7745780491.

It is an interprime number because it is at equal distance from previous prime (1940875471) and next prime (1940875483).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1940875477 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 (1940875471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31674 + ... + 69892.

It is an arithmetic number, because the mean of its divisors is an integer number (248468220).

Almost surely, 2^1940875477 is an apocalyptic number.

It is an amenable number.

1940875477 is a deficient number, since it is larger than the sum of its proper divisors (46870283).

1940875477 is a wasteful number, since it uses less digits than its factorization.

1940875477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39443.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The square root of 1940875477 is about 44055.3683107973. The cubic root of 1940875477 is about 1247.3812861279.

The spelling of 1940875477 in words is "one billion, nine hundred forty million, eight hundred seventy-five thousand, four hundred seventy-seven".