3849547910040 has 640 divisors, whose sum is σ = 15636570808320. Its totient is φ = 830738073600.

The previous prime is 3849547910017. The next prime is 3849547910057. The reversal of 3849547910040 is 400197459483.

3849547910040 is a `hidden beast` number, since 3 + 8 + 4 + 9 + 547 + 91 + 0 + 0 + 4 + 0 = 666.

It is a super-2 number, since 2×3849547910040² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 28759509 + ... + 28893051.

It is an arithmetic number, because the mean of its divisors is an integer number (24432141888).

Almost surely, 2^{3849547910040} is an apocalyptic number.

3849547910040 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 3849547910040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7818285404160).

3849547910040 is an abundant number, since it is smaller than the sum of its proper divisors (11787022898280).

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

3849547910040 is a wasteful number, since it uses less digits than its factorization.

3849547910040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133645 (or 133632 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 3849547910040 in words is "three trillion, eight hundred forty-nine billion, five hundred forty-seven million, nine hundred ten thousand, forty".