40154331055553 has 16 divisors (see below), whose sum is σ = 47187529996992. Its totient is φ = 33686505720000.

The previous prime is 40154331055537. The next prime is 40154331055561. The reversal of 40154331055553 is 35555013345104.

It is a cyclic number.

It is not a de Polignac number, because 40154331055553 - 2⁴ = 40154331055537 is a prime.

It is a super-2 number, since 2×40154331055553² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40154331055453) 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 15 ways as a sum of consecutive naturals, for example, 38805998 + ... + 39827303.

It is an arithmetic number, because the mean of its divisors is an integer number (2949220624812).

Almost surely, 2^{40154331055553} is an apocalyptic number.

It is an amenable number.

40154331055553 is a deficient number, since it is larger than the sum of its proper divisors (7033198941439).

40154331055553 is a wasteful number, since it uses less digits than its factorization.

40154331055553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78636896.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 40154331055553 in words is "forty trillion, one hundred fifty-four billion, three hundred thirty-one million, fifty-five thousand, five hundred fifty-three".