8425005040 has 40 divisors (see below), whose sum is σ = 19598732208. Its totient is φ = 3368179200.

The previous prime is 8425005011. The next prime is 8425005049. The reversal of 8425005040 is 405005248.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425005049) 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, 125515 + ... + 180565.

Almost surely, 2^8425005040 is an apocalyptic number.

8425005040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8425005040 is an abundant number, since it is smaller than the sum of its proper divisors (11173727168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8425005040 is a wasteful number, since it uses less digits than its factorization.

8425005040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56977 (or 56971 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 8425005040 is about 91787.8262080544. The cubic root of 8425005040 is about 2034.8077814688.

The spelling of 8425005040 in words is "eight billion, four hundred twenty-five million, five thousand, forty".