250491032064 has 1440 divisors, whose sum is σ = 993136256640. Its totient is φ = 61004316672.

The previous prime is 250491032059. The next prime is 250491032083. The reversal of 250491032064 is 460230194052.

It is a happy number.

250491032064 is a `hidden beast` number, since 2 + 504 + 91 + 0 + 3 + 2 + 0 + 64 = 666.

It is a super-2 number, since 2×250491032064² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4726245862 + ... + 4726245914.

It is an arithmetic number, because the mean of its divisors is an integer number (689677956).

Almost surely, 2^250491032064 is an apocalyptic number.

250491032064 is a gapful number since it is divisible by the number (24) 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 250491032064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496568128320).

250491032064 is an abundant number, since it is smaller than the sum of its proper divisors (742645224576).

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

250491032064 is a wasteful number, since it uses less digits than its factorization.

250491032064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 250491032064 in words is "two hundred fifty billion, four hundred ninety-one million, thirty-two thousand, sixty-four".