42310340253 has 16 divisors (see below), whose sum is σ = 65407290240. Its totient is φ = 26980506432.

The previous prime is 42310340251. The next prime is 42310340269. The reversal of 42310340253 is 35204301324.

42310340253 is a `hidden beast` number, since 4 + 2 + 310 + 340 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 42310340253 - 2¹ = 42310340251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42310340251) 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, 34065676 + ... + 34066917.

It is an arithmetic number, because the mean of its divisors is an integer number (4087955640).

Almost surely, 2^42310340253 is an apocalyptic number.

It is an amenable number.

42310340253 is a deficient number, since it is larger than the sum of its proper divisors (23096949987).

42310340253 is a wasteful number, since it uses less digits than its factorization.

42310340253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68132625 (or 68132619 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 42310340253 its reverse (35204301324), we get a palindrome (77514641577).

The spelling of 42310340253 in words is "forty-two billion, three hundred ten million, three hundred forty thousand, two hundred fifty-three".