40551354155 has 8 divisors (see below), whose sum is σ = 52404826992. Its totient is φ = 29945615328.

The previous prime is 40551354139. The next prime is 40551354157. The reversal of 40551354155 is 55145315504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40551354155 - 2⁴ = 40551354139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40551354157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311933429 + ... + 311933558.

It is an arithmetic number, because the mean of its divisors is an integer number (6550603374).

Almost surely, 2^40551354155 is an apocalyptic number.

40551354155 is a deficient number, since it is larger than the sum of its proper divisors (11853472837).

40551354155 is a wasteful number, since it uses less digits than its factorization.

40551354155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623867005.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 40551354155 its reverse (55145315504), we get a palindrome (95696669659).

The spelling of 40551354155 in words is "forty billion, five hundred fifty-one million, three hundred fifty-four thousand, one hundred fifty-five".