250085307720 has 32 divisors (see below), whose sum is σ = 750255923520. Its totient is φ = 66689415360.

The previous prime is 250085307707. The next prime is 250085307763. The reversal of 250085307720 is 27703580052.

It is a super-2 number, since 2×250085307720² (a number of 24 digits) contains 22 as substring.

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, 1042021996 + ... + 1042022235.

It is an arithmetic number, because the mean of its divisors is an integer number (23445497610).

Almost surely, 2^250085307720 is an apocalyptic number.

250085307720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250085307720 is an abundant number, since it is smaller than the sum of its proper divisors (500170615800).

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

250085307720 is a wasteful number, since it uses less digits than its factorization.

250085307720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084044245 (or 2084044241 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

Adding to 250085307720 its reverse (27703580052), we get a palindrome (277788887772).

The spelling of 250085307720 in words is "two hundred fifty billion, eighty-five million, three hundred seven thousand, seven hundred twenty".