250471040 has 64 divisors (see below), whose sum is σ = 601749000. Its totient is φ = 99692544.

The previous prime is 250471027. The next prime is 250471043. The reversal of 250471040 is 40174052.

250471040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 217385536 + 33085504 = 14744^2 + 5752^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 250470997 and 250471015.

It is not an unprimeable number, because it can be changed into a prime (250471043) 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, 145706 + ... + 147414.

Almost surely, 2^250471040 is an apocalyptic number.

250471040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250471040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300874500).

250471040 is an abundant number, since it is smaller than the sum of its proper divisors (351277960).

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

250471040 is a wasteful number, since it uses less digits than its factorization.

250471040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 250471040 is about 15826.2768837146. The cubic root of 250471040 is about 630.3559255262.

The spelling of 250471040 in words is "two hundred fifty million, four hundred seventy-one thousand, forty".