250221052042 has 16 divisors (see below), whose sum is σ = 404212273920. Its totient is φ = 115484057712.

The previous prime is 250221052027. The next prime is 250221052061. The reversal of 250221052042 is 240250122052.

It is a super-2 number, since 2×250221052042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250221051998 and 250221052016.

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, 1573563 + ... + 1725265.

It is an arithmetic number, because the mean of its divisors is an integer number (25263267120).

Almost surely, 2^250221052042 is an apocalyptic number.

250221052042 is a deficient number, since it is larger than the sum of its proper divisors (153991221878).

250221052042 is a wasteful number, since it uses less digits than its factorization.

250221052042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215157.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 250221052042 its reverse (240250122052), we get a palindrome (490471174094).

The spelling of 250221052042 in words is "two hundred fifty billion, two hundred twenty-one million, fifty-two thousand, forty-two".