1940845425 has 24 divisors (see below), whose sum is σ = 3269415744. Its totient is φ = 1015584960.

The previous prime is 1940845411. The next prime is 1940845429. The reversal of 1940845425 is 5245480491.

It is not a de Polignac number, because 1940845425 - 2¹³ = 1940837233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940845429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240157 + ... + 248106.

It is an arithmetic number, because the mean of its divisors is an integer number (136225656).

Almost surely, 2^1940845425 is an apocalyptic number.

1940845425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1940845425 is a deficient number, since it is larger than the sum of its proper divisors (1328570319).

1940845425 is a wasteful number, since it uses less digits than its factorization.

1940845425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488329 (or 488324 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 1940845425 is about 44055.0272386705. The cubic root of 1940845425 is about 1247.3748480546.

The spelling of 1940845425 in words is "one billion, nine hundred forty million, eight hundred forty-five thousand, four hundred twenty-five".