3905554199040 has 960 divisors, whose sum is σ = 15813619113600. Its totient is φ = 910717157376.

The previous prime is 3905554199011. The next prime is 3905554199089. The reversal of 3905554199040 is 409914555093.

3905554199040 is a `hidden beast` number, since 3 + 9 + 0 + 5 + 5 + 541 + 9 + 90 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 221935522 + ... + 221953118.

It is an arithmetic number, because the mean of its divisors is an integer number (16472519910).

Almost surely, 2^{3905554199040} is an apocalyptic number.

3905554199040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3905554199040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7906809556800).

3905554199040 is an abundant number, since it is smaller than the sum of its proper divisors (11908064914560).

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

3905554199040 is a wasteful number, since it uses less digits than its factorization.

3905554199040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17674 (or 17639 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 3905554199040 in words is "three trillion, nine hundred five billion, five hundred fifty-four million, one hundred ninety-nine thousand, forty".