10338721867540 has 48 divisors (see below), whose sum is σ = 23689087269120. Its totient is φ = 3758897866880.

The previous prime is 10338721867531. The next prime is 10338721867541. The reversal of 10338721867540 is 4576812783301.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10338721867541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681875 + ... + 5279194.

It is an arithmetic number, because the mean of its divisors is an integer number (493522651440).

Almost surely, 2^{10338721867540} is an apocalyptic number.

10338721867540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10338721867540 is an abundant number, since it is smaller than the sum of its proper divisors (13350365401580).

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

10338721867540 is a wasteful number, since it uses less digits than its factorization.

10338721867540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966992 (or 7966990 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 10338721867540 in words is "ten trillion, three hundred thirty-eight billion, seven hundred twenty-one million, eight hundred sixty-seven thousand, five hundred forty".