40512442103455 has 128 divisors (see below), whose sum is σ = 61004835569664. Its totient is φ = 25196494848000.

The previous prime is 40512442103431. The next prime is 40512442103501. The reversal of 40512442103455 is 55430124421504.

It is not a de Polignac number, because 40512442103455 - 2⁹ = 40512442102943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1582442655 + ... + 1582468255.

It is an arithmetic number, because the mean of its divisors is an integer number (476600277888).

Almost surely, 2^{40512442103455} is an apocalyptic number.

40512442103455 is a deficient number, since it is larger than the sum of its proper divisors (20492393466209).

40512442103455 is a wasteful number, since it uses less digits than its factorization.

40512442103455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26545.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 40512442103455 its reverse (55430124421504), we get a palindrome (95942566524959).

The spelling of 40512442103455 in words is "forty trillion, five hundred twelve billion, four hundred forty-two million, one hundred three thousand, four hundred fifty-five".