250420992 has 72 divisors (see below), whose sum is σ = 682074624. Its totient is φ = 81521664.

The previous prime is 250420979. The next prime is 250420997. The reversal of 250420992 is 299024052.

250420992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250420997) 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, 29233 + ... + 36815.

Almost surely, 2^250420992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250420992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341037312).

250420992 is an abundant number, since it is smaller than the sum of its proper divisors (431653632).

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

250420992 is an equidigital number, since it uses as much as digits as its factorization.

250420992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645 (or 7631 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 250420992 is about 15824.6956368835. The cubic root of 250420992 is about 630.3139377647.

The spelling of 250420992 in words is "two hundred fifty million, four hundred twenty thousand, nine hundred ninety-two".