250000252278 has 32 divisors (see below), whose sum is σ = 596273895936. Its totient is φ = 68323050048.

The previous prime is 250000252273. The next prime is 250000252279. The reversal of 250000252278 is 872252000052.

It is a super-2 number, since 2×250000252278² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250000252273) 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, 129398751 + ... + 129400682.

It is an arithmetic number, because the mean of its divisors is an integer number (18633559248).

Almost surely, 2^250000252278 is an apocalyptic number.

250000252278 is an abundant number, since it is smaller than the sum of its proper divisors (346273643658).

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

250000252278 is a wasteful number, since it uses less digits than its factorization.

250000252278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258799468.

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 250000252278 in words is "two hundred fifty billion, two hundred fifty-two thousand, two hundred seventy-eight".