3561142234540 has 96 divisors (see below), whose sum is σ = 8819733484800. Its totient is φ = 1193648037120.

The previous prime is 3561142234519. The next prime is 3561142234571. The reversal of 3561142234540 is 454322411653.

It is a junction number, because it is equal to n+sod(n) for n = 3561142234493 and 3561142234502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11358150 + ... + 11667469.

It is an arithmetic number, because the mean of its divisors is an integer number (91872223800).

Almost surely, 2^{3561142234540} is an apocalyptic number.

It is an amenable number.

3561142234540 is an abundant number, since it is smaller than the sum of its proper divisors (5258591250260).

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

3561142234540 is a wasteful number, since it uses less digits than its factorization.

3561142234540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23025695 (or 23025693 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 3561142234540 in words is "three trillion, five hundred sixty-one billion, one hundred forty-two million, two hundred thirty-four thousand, five hundred forty".