3821040400344 has 64 divisors (see below), whose sum is σ = 9737585856000. Its totient is φ = 1249118048640.

The previous prime is 3821040400301. The next prime is 3821040400351. The reversal of 3821040400344 is 4430040401283.

It is a super-2 number, since 2×3821040400344² (a number of 26 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 15 ways as a sum of consecutive naturals, for example, 2608704 + ... + 3800975.

It is an arithmetic number, because the mean of its divisors is an integer number (152149779000).

Almost surely, 2^{3821040400344} is an apocalyptic number.

It is an amenable number.

3821040400344 is an abundant number, since it is smaller than the sum of its proper divisors (5916545455656).

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

3821040400344 is a wasteful number, since it uses less digits than its factorization.

3821040400344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410168 (or 6410164 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 3821040400344 in words is "three trillion, eight hundred twenty-one billion, forty million, four hundred thousand, three hundred forty-four".