3249535742740 has 96 divisors (see below), whose sum is σ = 7845228969984. Its totient is φ = 1107514304640.

The previous prime is 3249535742731. The next prime is 3249535742741. The reversal of 3249535742740 is 472475359423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249535742741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38650789 + ... + 38734771.

It is an arithmetic number, because the mean of its divisors is an integer number (81721135104).

Almost surely, 2^{3249535742740} 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 3249535742740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3922614484992).

3249535742740 is an abundant number, since it is smaller than the sum of its proper divisors (4595693227244).

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

3249535742740 is a wasteful number, since it uses less digits than its factorization.

3249535742740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85637 (or 85635 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 55.

The spelling of 3249535742740 in words is "three trillion, two hundred forty-nine billion, five hundred thirty-five million, seven hundred forty-two thousand, seven hundred forty".