3810868403040 has 72 divisors (see below), whose sum is σ = 13004588430288. Its totient is φ = 1016231573760.

The previous prime is 3810868403029. The next prime is 3810868403051. The reversal of 3810868403040 is 403048680183.

It is an interprime number because it is at equal distance from previous prime (3810868403029) and next prime (3810868403051).

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×3810868403040³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1323216756 + ... + 1323219635.

It is an arithmetic number, because the mean of its divisors is an integer number (180619283754).

Almost surely, 2^{3810868403040} is an apocalyptic number.

3810868403040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3810868403040 is an abundant number, since it is smaller than the sum of its proper divisors (9193720027248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3810868403040 is a wasteful number, since it uses less digits than its factorization.

3810868403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646436412 (or 2646436401 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 3810868403040 in words is "three trillion, eight hundred ten billion, eight hundred sixty-eight million, four hundred three thousand, forty".