40512754052445 has 16 divisors (see below), whose sum is σ = 64820523575232. Its totient is φ = 21606763130880.

The previous prime is 40512754052431. The next prime is 40512754052489. The reversal of 40512754052445 is 54425045721504.

It is not a de Polignac number, because 40512754052445 - 2⁷ = 40512754052317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40512754052394 and 40512754052403.

It is a congruent number.

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, 7429030 + ... + 11671160.

It is an arithmetic number, because the mean of its divisors is an integer number (4051282723452).

Almost surely, 2^{40512754052445} is an apocalyptic number.

It is an amenable number.

40512754052445 is a deficient number, since it is larger than the sum of its proper divisors (24307769522787).

40512754052445 is a wasteful number, since it uses less digits than its factorization.

40512754052445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878812.

The product of its (nonzero) digits is 4480000, while the sum is 48.

Adding to 40512754052445 its reverse (54425045721504), we get a palindrome (94937799773949).

The spelling of 40512754052445 in words is "forty trillion, five hundred twelve billion, seven hundred fifty-four million, fifty-two thousand, four hundred forty-five".