250438040 has 16 divisors (see below), whose sum is σ = 563485680. Its totient is φ = 100175200.

The previous prime is 250438021. The next prime is 250438049. The reversal of 250438040 is 40834052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250438049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130436 + ... + 3130515.

It is an arithmetic number, because the mean of its divisors is an integer number (35217855).

Almost surely, 2^250438040 is an apocalyptic number.

250438040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250438040 is an abundant number, since it is smaller than the sum of its proper divisors (313047640).

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

250438040 is a wasteful number, since it uses less digits than its factorization.

250438040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260962 (or 6260958 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 250438040 is about 15825.2342794664. The cubic root of 250438040 is about 630.3282408098.

The spelling of 250438040 in words is "two hundred fifty million, four hundred thirty-eight thousand, forty".