40146836873 has 16 divisors (see below), whose sum is σ = 47175608256. Its totient is φ = 33682443840.

The previous prime is 40146836831. The next prime is 40146836879. The reversal of 40146836873 is 37863864104.

It is a cyclic number.

It is not a de Polignac number, because 40146836873 - 2¹⁸ = 40146574729 is a prime.

It is a super-2 number, since 2×40146836873² (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 (40146836879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702815 + ... + 757787.

It is an arithmetic number, because the mean of its divisors is an integer number (2948475516).

Almost surely, 2^40146836873 is an apocalyptic number.

It is an amenable number.

40146836873 is a deficient number, since it is larger than the sum of its proper divisors (7028771383).

40146836873 is a wasteful number, since it uses less digits than its factorization.

40146836873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60104.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 40146836873 in words is "forty billion, one hundred forty-six million, eight hundred thirty-six thousand, eight hundred seventy-three".