253366402045 has 8 divisors (see below), whose sum is σ = 304063719480. Its totient is φ = 202677096960.

The previous prime is 253366402039. The next prime is 253366402061. The reversal of 253366402045 is 540204663352.

It can be written as a sum of positive squares in 4 ways, for example, as 44796992409 + 208569409636 = 211653^2 + 456694^2 .

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

It is not a de Polignac number, because 253366402045 - 2⁵ = 253366402013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253366401989 and 253366402007.

It is a congruent number.

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, 1933296 + ... + 2060185.

It is an arithmetic number, because the mean of its divisors is an integer number (38007964935).

Almost surely, 2^253366402045 is an apocalyptic number.

It is an amenable number.

253366402045 is a deficient number, since it is larger than the sum of its proper divisors (50697317435).

253366402045 is a wasteful number, since it uses less digits than its factorization.

253366402045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006175.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 253366402045 in words is "two hundred fifty-three billion, three hundred sixty-six million, four hundred two thousand, forty-five".