250164453642 has 32 divisors (see below), whose sum is σ = 505582947072. Its totient is φ = 82512804864.

The previous prime is 250164453541. The next prime is 250164453661. The reversal of 250164453642 is 246354461052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 250164453594 and 250164453603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254383 + ... + 3330365.

It is an arithmetic number, because the mean of its divisors is an integer number (15799467096).

Almost surely, 2^250164453642 is an apocalyptic number.

250164453642 is an abundant number, since it is smaller than the sum of its proper divisors (255418493430).

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

250164453642 is a wasteful number, since it uses less digits than its factorization.

250164453642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81742.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 250164453642 in words is "two hundred fifty billion, one hundred sixty-four million, four hundred fifty-three thousand, six hundred forty-two".