250471420 has 24 divisors (see below), whose sum is σ = 528903648. Its totient is φ = 99633600.

The previous prime is 250471411. The next prime is 250471439. The reversal of 250471420 is 24174052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30976 + ... + 38215.

It is an arithmetic number, because the mean of its divisors is an integer number (22037652).

Almost surely, 2^250471420 is an apocalyptic number.

250471420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250471420 is an abundant number, since it is smaller than the sum of its proper divisors (278432228).

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

250471420 is a wasteful number, since it uses less digits than its factorization.

250471420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69381 (or 69379 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 250471420 is about 15826.2888890605. The cubic root of 250471420 is about 630.3562443058.

The spelling of 250471420 in words is "two hundred fifty million, four hundred seventy-one thousand, four hundred twenty".