104440261253 has 4 divisors (see below), whose sum is σ = 104513348940. Its totient is φ = 104367173568.

The previous prime is 104440261249. The next prime is 104440261259. The reversal of 104440261253 is 352162044401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56742574849 + 47697686404 = 238207^2 + 218398^2 .

It is a cyclic number.

It is not a de Polignac number, because 104440261253 - 2² = 104440261249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104440261259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36541700 + ... + 36544557.

It is an arithmetic number, because the mean of its divisors is an integer number (26128337235).

Almost surely, 2^104440261253 is an apocalyptic number.

It is an amenable number.

104440261253 is a deficient number, since it is larger than the sum of its proper divisors (73087687).

104440261253 is an equidigital number, since it uses as much as digits as its factorization.

104440261253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73087686.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 104440261253 in words is "one hundred four billion, four hundred forty million, two hundred sixty-one thousand, two hundred fifty-three".