10998396440 has 64 divisors (see below), whose sum is σ = 24868546560. Its totient is φ = 4377709440.

The previous prime is 10998396419. The next prime is 10998396463. The reversal of 10998396440 is 4469389901.

Together with 13870150119 it forms a betrothed pair.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10117577 + ... + 10118663.

It is an arithmetic number, because the mean of its divisors is an integer number (388571040).

Almost surely, 2^10998396440 is an apocalyptic number.

10998396440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10998396440 is an abundant number, since it is smaller than the sum of its proper divisors (13870150120).

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

10998396440 is a wasteful number, since it uses less digits than its factorization.

10998396440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 10998396440 in words is "ten billion, nine hundred ninety-eight million, three hundred ninety-six thousand, four hundred forty".