253405520422 has 8 divisors (see below), whose sum is σ = 382842873000. Its totient is φ = 125791229424.

The previous prime is 253405520371. The next prime is 253405520447. The reversal of 253405520422 is 224025504352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455765047 + ... + 455765602.

It is an arithmetic number, because the mean of its divisors is an integer number (47855359125).

Almost surely, 2^253405520422 is an apocalyptic number.

253405520422 is a deficient number, since it is larger than the sum of its proper divisors (129437352578).

253405520422 is a wasteful number, since it uses less digits than its factorization.

253405520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911530790.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 253405520422 in words is "two hundred fifty-three billion, four hundred five million, five hundred twenty thousand, four hundred twenty-two".