40165684420084 has 24 divisors (see below), whose sum is σ = 71926997345280. Its totient is φ = 19615144914624.

The previous prime is 40165684420079. The next prime is 40165684420091. The reversal of 40165684420084 is 48002448656104.

It is a super-2 number, since 2×40165684420084² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294797 + ... + 9055819.

It is an arithmetic number, because the mean of its divisors is an integer number (2996958222720).

Almost surely, 2^{40165684420084} is an apocalyptic number.

It is an amenable number.

40165684420084 is a deficient number, since it is larger than the sum of its proper divisors (31761312925196).

40165684420084 is a wasteful number, since it uses less digits than its factorization.

40165684420084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791159 (or 7791157 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 52.

The spelling of 40165684420084 in words is "forty trillion, one hundred sixty-five billion, six hundred eighty-four million, four hundred twenty thousand, eighty-four".