3651550042140 has 576 divisors, whose sum is σ = 14884504427520. Its totient is φ = 699797422080.

The previous prime is 3651550042079. The next prime is 3651550042157. The reversal of 3651550042140 is 412400551563.

3651550042140 is a `hidden beast` number, since 3 + 6 + 5 + 1 + 5 + 500 + 4 + 2 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3651550042095 and 3651550042104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 226838572 + ... + 226854668.

It is an arithmetic number, because the mean of its divisors is an integer number (25841153520).

Almost surely, 2^{3651550042140} is an apocalyptic number.

3651550042140 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 3651550042140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7442252213760).

3651550042140 is an abundant number, since it is smaller than the sum of its proper divisors (11232954385380).

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

3651550042140 is a wasteful number, since it uses less digits than its factorization.

3651550042140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402 (or 17397 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 3651550042140 in words is "three trillion, six hundred fifty-one billion, five hundred fifty million, forty-two thousand, one hundred forty".