40042350055131 has 4 divisors (see below), whose sum is σ = 53389800073512. Its totient is φ = 26694900036752.

The previous prime is 40042350055079. The next prime is 40042350055139. The reversal of 40042350055131 is 13155005324004.

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

It is a cyclic number.

It is not a de Polignac number, because 40042350055131 - 2⁶ = 40042350055067 is a prime.

It is a super-2 number, since 2×40042350055131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40042350055092 and 40042350055101.

It is not an unprimeable number, because it can be changed into a prime (40042350055139) 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, 6673725009186 + ... + 6673725009191.

It is an arithmetic number, because the mean of its divisors is an integer number (13347450018378).

Almost surely, 2^{40042350055131} is an apocalyptic number.

40042350055131 is a deficient number, since it is larger than the sum of its proper divisors (13347450018381).

40042350055131 is a wasteful number, since it uses less digits than its factorization.

40042350055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347450018380.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 40042350055131 its reverse (13155005324004), we get a palindrome (53197355379135).

The spelling of 40042350055131 in words is "forty trillion, forty-two billion, three hundred fifty million, fifty-five thousand, one hundred thirty-one".