40520052004055 has 32 divisors (see below), whose sum is σ = 53082922245696. Its totient is φ = 29511920415744.

The previous prime is 40520052004049. The next prime is 40520052004067. The reversal of 40520052004055 is 55040025002504.

It is not a de Polignac number, because 40520052004055 - 2⁴⁰ = 39420540376279 is a prime.

It is a super-2 number, since 2×40520052004055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303674984 + ... + 303808386.

It is an arithmetic number, because the mean of its divisors is an integer number (1658841320178).

Almost surely, 2^{40520052004055} is an apocalyptic number.

40520052004055 is a deficient number, since it is larger than the sum of its proper divisors (12562870241641).

40520052004055 is a wasteful number, since it uses less digits than its factorization.

40520052004055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197507.

The product of its (nonzero) digits is 40000, while the sum is 32.

Adding to 40520052004055 its reverse (55040025002504), we get a palindrome (95560077006559).

The spelling of 40520052004055 in words is "forty trillion, five hundred twenty billion, fifty-two million, four thousand, fifty-five".