7143569540 has 48 divisors (see below), whose sum is σ = 15749935488. Its totient is φ = 2716395264.

The previous prime is 7143569519. The next prime is 7143569557. The reversal of 7143569540 is 459653417.

It is a junction number, because it is equal to n+sod(n) for n = 7143569491 and 7143569500.

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, 27344 + ... + 122616.

It is an arithmetic number, because the mean of its divisors is an integer number (328123656).

Almost surely, 2^7143569540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7143569540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7874967744).

7143569540 is an abundant number, since it is smaller than the sum of its proper divisors (8606365948).

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

7143569540 is a wasteful number, since it uses less digits than its factorization.

7143569540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95468 (or 95466 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 7143569540 is about 84519.6399661049. The cubic root of 7143569540 is about 1925.9208089198.

The spelling of 7143569540 in words is "seven billion, one hundred forty-three million, five hundred sixty-nine thousand, five hundred forty".