3440940815955 has 16 divisors (see below), whose sum is σ = 5639785923744. Its totient is φ = 1790408229120.

The previous prime is 3440940815929. The next prime is 3440940815989. The reversal of 3440940815955 is 5595180490443.

It is not a de Polignac number, because 3440940815955 - 2⁶ = 3440940815891 is a prime.

It is a super-2 number, since 2×3440940815955² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3440940815895 and 3440940815904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797512244 + ... + 2797513473.

It is an arithmetic number, because the mean of its divisors is an integer number (352486620234).

Almost surely, 2^{3440940815955} is an apocalyptic number.

3440940815955 is a deficient number, since it is larger than the sum of its proper divisors (2198845107789).

3440940815955 is a wasteful number, since it uses less digits than its factorization.

3440940815955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595025766.

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 3440940815955 in words is "three trillion, four hundred forty billion, nine hundred forty million, eight hundred fifteen thousand, nine hundred fifty-five".