40178960129 has 8 divisors (see below), whose sum is σ = 50093249088. Its totient is φ = 31308280560.

The previous prime is 40178960119. The next prime is 40178960141. The reversal of 40178960129 is 92106987104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40178960129 is a prime.

It is a super-2 number, since 2×40178960129² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40178960119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260902262 + ... + 260902415.

It is an arithmetic number, because the mean of its divisors is an integer number (6261656136).

Almost surely, 2^40178960129 is an apocalyptic number.

It is an amenable number.

40178960129 is a deficient number, since it is larger than the sum of its proper divisors (9914288959).

40178960129 is a wasteful number, since it uses less digits than its factorization.

40178960129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521804695.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 40178960129 in words is "forty billion, one hundred seventy-eight million, nine hundred sixty thousand, one hundred twenty-nine".