250076640 has 96 divisors (see below), whose sum is σ = 859372416. Its totient is φ = 60623360.

The previous prime is 250076627. The next prime is 250076641. The reversal of 250076640 is 46670052.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 250076598 and 250076607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250076641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18402 + ... + 28961.

It is an arithmetic number, because the mean of its divisors is an integer number (8951796).

Almost surely, 2^250076640 is an apocalyptic number.

250076640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250076640 is an abundant number, since it is smaller than the sum of its proper divisors (609295776).

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

250076640 is a wasteful number, since it uses less digits than its factorization.

250076640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47392 (or 47384 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 250076640 is about 15813.8116847267. The cubic root of 250076640 is about 630.0248919366.

The spelling of 250076640 in words is "two hundred fifty million, seventy-six thousand, six hundred forty".