250642620146 has 16 divisors (see below), whose sum is σ = 400079865600. Its totient is φ = 117356754240.

The previous prime is 250642620139. The next prime is 250642620161. The reversal of 250642620146 is 641026246052.

It is a super-2 number, since 2×250642620146² (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, 18515450 + ... + 18528981.

It is an arithmetic number, because the mean of its divisors is an integer number (25004991600).

Almost surely, 2^250642620146 is an apocalyptic number.

250642620146 is a deficient number, since it is larger than the sum of its proper divisors (149437245454).

250642620146 is a wasteful number, since it uses less digits than its factorization.

250642620146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37044649.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 250642620146 its reverse (641026246052), we get a palindrome (891668866198).

The spelling of 250642620146 in words is "two hundred fifty billion, six hundred forty-two million, six hundred twenty thousand, one hundred forty-six".