40055530355651 has 4 divisors (see below), whose sum is σ = 40230445335600. Its totient is φ = 39880615375704.

The previous prime is 40055530355573. The next prime is 40055530355681. The reversal of 40055530355651 is 15655303555004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40055530355651 - 2¹⁰ = 40055530354627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40055530355596 and 40055530355605.

It is not an unprimeable number, because it can be changed into a prime (40055530355681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87457489631 + ... + 87457490088.

It is an arithmetic number, because the mean of its divisors is an integer number (10057611333900).

Almost surely, 2^{40055530355651} is an apocalyptic number.

40055530355651 is a deficient number, since it is larger than the sum of its proper divisors (174914979949).

40055530355651 is a wasteful number, since it uses less digits than its factorization.

40055530355651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174914979948.

The product of its (nonzero) digits is 3375000, while the sum is 47.

The spelling of 40055530355651 in words is "forty trillion, fifty-five billion, five hundred thirty million, three hundred fifty-five thousand, six hundred fifty-one".