40154761143 has 12 divisors (see below), whose sum is σ = 66287224848. Its totient is φ = 22945577760.

The previous prime is 40154761111. The next prime is 40154761151. The reversal of 40154761143 is 34116745104.

40154761143 is a `hidden beast` number, since 40 + 1 + 5 + 476 + 1 + 143 = 666.

It is not a de Polignac number, because 40154761143 - 2⁵ = 40154761111 is a prime.

It is a super-2 number, since 2×40154761143² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40154761098 and 40154761107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154761103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 318688518 + ... + 318688643.

It is an arithmetic number, because the mean of its divisors is an integer number (5523935404).

Almost surely, 2^40154761143 is an apocalyptic number.

40154761143 is a deficient number, since it is larger than the sum of its proper divisors (26132463705).

40154761143 is a wasteful number, since it uses less digits than its factorization.

40154761143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637377174 (or 637377171 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 40154761143 in words is "forty billion, one hundred fifty-four million, seven hundred sixty-one thousand, one hundred forty-three".