40040206553 has 2 divisors, whose sum is σ = 40040206554. Its totient is φ = 40040206552.

The previous prime is 40040206537. The next prime is 40040206621. The reversal of 40040206553 is 35560204004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39937224649 + 102981904 = 199843^2 + 10148^2 .

It is a cyclic number.

It is not a de Polignac number, because 40040206553 - 2⁴ = 40040206537 is a prime.

It is not a weakly prime, because it can be changed into another prime (40040206513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020103276 + 20020103277.

It is an arithmetic number, because the mean of its divisors is an integer number (20020103277).

Almost surely, 2^40040206553 is an apocalyptic number.

It is an amenable number.

40040206553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040206553 is an equidigital number, since it uses as much as digits as its factorization.

40040206553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 40040206553 in words is "forty billion, forty million, two hundred six thousand, five hundred fifty-three".