40512754052403 has 16 divisors (see below), whose sum is σ = 54375401135616. Its totient is φ = 26829309225600.

The previous prime is 40512754052341. The next prime is 40512754052417. The reversal of 40512754052403 is 30425045721504.

It is a happy number.

It is not a de Polignac number, because 40512754052403 - 2¹³ = 40512754044211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40512754052803) 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, 39657250 + ... + 40665992.

It is an arithmetic number, because the mean of its divisors is an integer number (3398462570976).

Almost surely, 2^{40512754052403} is an apocalyptic number.

40512754052403 is a deficient number, since it is larger than the sum of its proper divisors (13862647083213).

40512754052403 is a wasteful number, since it uses less digits than its factorization.

40512754052403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097554.

The product of its (nonzero) digits is 672000, while the sum is 42.

Adding to 40512754052403 its reverse (30425045721504), we get a palindrome (70937799773907).

The spelling of 40512754052403 in words is "forty trillion, five hundred twelve billion, seven hundred fifty-four million, fifty-two thousand, four hundred three".