98423647290 has 128 divisors (see below), whose sum is σ = 269531539200. Its totient is φ = 25543848960.

The previous prime is 98423647261. The next prime is 98423647303. The reversal of 98423647290 is 9274632489.

98423647290 is a `hidden beast` number, since 9 + 8 + 423 + 64 + 72 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3247326 + ... + 3277494.

It is an arithmetic number, because the mean of its divisors is an integer number (2105715150).

Almost surely, 2^98423647290 is an apocalyptic number.

98423647290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98423647290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134765769600).

98423647290 is an abundant number, since it is smaller than the sum of its proper divisors (171107891910).

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

98423647290 is a wasteful number, since it uses less digits than its factorization.

98423647290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30509 (or 30503 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 98423647290 in words is "ninety-eight billion, four hundred twenty-three million, six hundred forty-seven thousand, two hundred ninety".