42404162302253 has 4 divisors (see below), whose sum is σ = 42420784869408. Its totient is φ = 42387539735100.

The previous prime is 42404162302181. The next prime is 42404162302343. The reversal of 42404162302253 is 35220326140424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42404162302253 - 2¹⁶ = 42404162236717 is a prime.

It is a super-2 number, since 2×42404162302253² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404162302153) 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, 8311279751 + ... + 8311284852.

It is an arithmetic number, because the mean of its divisors is an integer number (10605196217352).

Almost surely, 2^{42404162302253} is an apocalyptic number.

It is an amenable number.

42404162302253 is a deficient number, since it is larger than the sum of its proper divisors (16622567155).

42404162302253 is a wasteful number, since it uses less digits than its factorization.

42404162302253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622567154.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 42404162302253 its reverse (35220326140424), we get a palindrome (77624488442677).

The spelling of 42404162302253 in words is "forty-two trillion, four hundred four billion, one hundred sixty-two million, three hundred two thousand, two hundred fifty-three".