98240702440 has 64 divisors (see below), whose sum is σ = 227121816960. Its totient is φ = 38216344320.

The previous prime is 98240702429. The next prime is 98240702449. The reversal of 98240702440 is 4420704289.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 98240702393 and 98240702402.

It is not an unprimeable number, because it can be changed into a prime (98240702449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405919 + ... + 3434641.

It is an arithmetic number, because the mean of its divisors is an integer number (3548778390).

Almost surely, 2^98240702440 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 98240702440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113560908480).

98240702440 is an abundant number, since it is smaller than the sum of its proper divisors (128881114520).

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

98240702440 is a wasteful number, since it uses less digits than its factorization.

98240702440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31082 (or 31078 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 98240702440 in words is "ninety-eight billion, two hundred forty million, seven hundred two thousand, four hundred forty".