253530443292 has 48 divisors (see below), whose sum is σ = 676117263360. Its totient is φ = 72433403712.

The previous prime is 253530443269. The next prime is 253530443293. The reversal of 253530443292 is 292344035352.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253530443293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1748634 + ... + 1888062.

It is an arithmetic number, because the mean of its divisors is an integer number (14085776320).

Almost surely, 2^253530443292 is an apocalyptic number.

It is an amenable number.

253530443292 is an abundant number, since it is smaller than the sum of its proper divisors (422586820068).

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

253530443292 is a wasteful number, since it uses less digits than its factorization.

253530443292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161090 (or 161088 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 253530443292 in words is "two hundred fifty-three billion, five hundred thirty million, four hundred forty-three thousand, two hundred ninety-two".