10298791440 has 160 divisors (see below), whose sum is σ = 40541333760. Its totient is φ = 2354006016.

The previous prime is 10298791439. The next prime is 10298791441. The reversal of 10298791440 is 4419789201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10298791439) and next prime (10298791441).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (10298791441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325449 + ... + 355688.

It is an arithmetic number, because the mean of its divisors is an integer number (253383336).

Almost surely, 2^10298791440 is an apocalyptic number.

10298791440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10298791440 is an abundant number, since it is smaller than the sum of its proper divisors (30242542320).

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

10298791440 is a wasteful number, since it uses less digits than its factorization.

10298791440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681166 (or 681154 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 10298791440 in words is "ten billion, two hundred ninety-eight million, seven hundred ninety-one thousand, four hundred forty".