398830850880 has 896 divisors, whose sum is σ = 1623974400000. Its totient is φ = 82206351360.

The previous prime is 398830850867. The next prime is 398830850911. The reversal of 398830850880 is 88058038893.

It is a super-2 number, since 2×398830850880² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 539689551 + ... + 539690289.

Almost surely, 2^398830850880 is an apocalyptic number.

398830850880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398830850880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811987200000).

398830850880 is an abundant number, since it is smaller than the sum of its proper divisors (1225143549120).

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

398830850880 is a wasteful number, since it uses less digits than its factorization.

398830850880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 398830850880 in words is "three hundred ninety-eight billion, eight hundred thirty million, eight hundred fifty thousand, eight hundred eighty".