80257259740 has 192 divisors, whose sum is σ = 204228864000. Its totient is φ = 26460940800.

The previous prime is 80257259713. The next prime is 80257259749. The reversal of 80257259740 is 4795275208.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80257259749) 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, 19967451 + ... + 19971469.

It is an arithmetic number, because the mean of its divisors is an integer number (1063692000).

Almost surely, 2^80257259740 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 80257259740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102114432000).

80257259740 is an abundant number, since it is smaller than the sum of its proper divisors (123971604260).

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

80257259740 is a wasteful number, since it uses less digits than its factorization.

80257259740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 80257259740 in words is "eighty billion, two hundred fifty-seven million, two hundred fifty-nine thousand, seven hundred forty".