40155445545 has 8 divisors (see below), whose sum is σ = 64248712896. Its totient is φ = 21416237616.

The previous prime is 40155445531. The next prime is 40155445559. The reversal of 40155445545 is 54554455104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40155445531) and next prime (40155445559).

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

It is not a de Polignac number, because 40155445545 - 2¹³ = 40155437353 is a prime.

It is a super-2 number, since 2×40155445545² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40155445497 and 40155445506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338514837 + ... + 1338514866.

It is an arithmetic number, because the mean of its divisors is an integer number (8031089112).

Almost surely, 2^40155445545 is an apocalyptic number.

It is an amenable number.

40155445545 is a deficient number, since it is larger than the sum of its proper divisors (24093267351).

40155445545 is a wasteful number, since it uses less digits than its factorization.

40155445545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677029711.

The product of its (nonzero) digits is 800000, while the sum is 42.

The spelling of 40155445545 in words is "forty billion, one hundred fifty-five million, four hundred forty-five thousand, five hundred forty-five".