1940845275 has 18 divisors (see below), whose sum is σ = 3476269940. Its totient is φ = 1035117360.

The previous prime is 1940845261. The next prime is 1940845289. The reversal of 1940845275 is 5725480491.

1940845275 is a `hidden beast` number, since 1 + 9 + 40 + 84 + 527 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1940845261) and next prime (1940845289).

It is not a de Polignac number, because 1940845275 - 2⁶ = 1940845211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1940845275.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4312765 + ... + 4313214.

Almost surely, 2^1940845275 is an apocalyptic number.

1940845275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1940845275 is a deficient number, since it is larger than the sum of its proper divisors (1535424665).

1940845275 is a wasteful number, since it uses less digits than its factorization.

1940845275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625995 (or 8625987 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 1940845275 is about 44055.0255362541. The cubic root of 1940845275 is about 1247.3748159197.

The spelling of 1940845275 in words is "one billion, nine hundred forty million, eight hundred forty-five thousand, two hundred seventy-five".