10398820512 has 24 divisors (see below), whose sum is σ = 27296904096. Its totient is φ = 3466273472.

The previous prime is 10398820499. The next prime is 10398820541. The reversal of 10398820512 is 21502889301.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×10398820512³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54160428 + ... + 54160619.

It is an arithmetic number, because the mean of its divisors is an integer number (1137371004).

Almost surely, 2^10398820512 is an apocalyptic number.

10398820512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10398820512 is an abundant number, since it is smaller than the sum of its proper divisors (16898083584).

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

10398820512 is a wasteful number, since it uses less digits than its factorization.

10398820512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108321060 (or 108321052 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 10398820512 in words is "ten billion, three hundred ninety-eight million, eight hundred twenty thousand, five hundred twelve".