250542320100440 has 32 divisors (see below), whose sum is σ = 596880233182080. Its totient is φ = 94321814625792.

The previous prime is 250542320100421. The next prime is 250542320100461. The reversal of 250542320100440 is 44001023245052.

It is a super-2 number, since 2×250542320100440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250542320100397 and 250542320100406.

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, 184222293512 + ... + 184222294871.

It is an arithmetic number, because the mean of its divisors is an integer number (18652507286940).

Almost surely, 2^{250542320100440} is an apocalyptic number.

250542320100440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250542320100440 is an abundant number, since it is smaller than the sum of its proper divisors (346337913081640).

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

250542320100440 is a wasteful number, since it uses less digits than its factorization.

250542320100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368444588411 (or 368444588407 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 250542320100440 its reverse (44001023245052), we get a palindrome (294543343345492).

The spelling of 250542320100440 in words is "two hundred fifty trillion, five hundred forty-two billion, three hundred twenty million, one hundred thousand, four hundred forty".