7285685745040 has 320 divisors, whose sum is σ = 17749113984000. Its totient is φ = 2779446509568.

The previous prime is 7285685744983. The next prime is 7285685745043. The reversal of 7285685745040 is 405475865827.

It is a self number, because there is not a number n which added to its sum of digits gives 7285685745040.

It is not an unprimeable number, because it can be changed into a prime (7285685745043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6945362436 + ... + 6945363484.

It is an arithmetic number, because the mean of its divisors is an integer number (55465981200).

Almost surely, 2^{7285685745040} 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 7285685745040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8874556992000).

7285685745040 is an abundant number, since it is smaller than the sum of its proper divisors (10463428238960).

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

7285685745040 is a wasteful number, since it uses less digits than its factorization.

7285685745040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 61.

The spelling of 7285685745040 in words is "seven trillion, two hundred eighty-five billion, six hundred eighty-five million, seven hundred forty-five thousand, forty".