94051809990 has 256 divisors, whose sum is σ = 265939200000. Its totient is φ = 23605198848.

The previous prime is 94051809871. The next prime is 94051810003. The reversal of 94051809990 is 9990815049.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 209469286 + ... + 209469734.

It is an arithmetic number, because the mean of its divisors is an integer number (1038825000).

Almost surely, 2^94051809990 is an apocalyptic number.

94051809990 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 94051809990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132969600000).

94051809990 is an abundant number, since it is smaller than the sum of its proper divisors (171887390010).

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

94051809990 is a wasteful number, since it uses less digits than its factorization.

94051809990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The spelling of 94051809990 in words is "ninety-four billion, fifty-one million, eight hundred nine thousand, nine hundred ninety".