40231112042145 has 16 divisors (see below), whose sum is σ = 65251557067392. Its totient is φ = 21162667155840.

The previous prime is 40231112042137. The next prime is 40231112042171. The reversal of 40231112042145 is 54124021113204.

It is not a de Polignac number, because 40231112042145 - 2³ = 40231112042137 is a prime.

It is a super-2 number, since 2×40231112042145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18370369701 + ... + 18370371890.

It is an arithmetic number, because the mean of its divisors is an integer number (4078222316712).

Almost surely, 2^{40231112042145} is an apocalyptic number.

It is an amenable number.

40231112042145 is a deficient number, since it is larger than the sum of its proper divisors (25020445025247).

40231112042145 is a wasteful number, since it uses less digits than its factorization.

40231112042145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36740741672.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 40231112042145 its reverse (54124021113204), we get a palindrome (94355133155349).

The spelling of 40231112042145 in words is "forty trillion, two hundred thirty-one billion, one hundred twelve million, forty-two thousand, one hundred forty-five".