10491530700 has 144 divisors (see below), whose sum is σ = 34733721344. Its totient is φ = 2395180800.

The previous prime is 10491530689. The next prime is 10491530701. The reversal of 10491530700 is 703519401.

It is a super-2 number, since 2×10491530700² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (10491530701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2091195 + ... + 2096205.

Almost surely, 2^10491530700 is an apocalyptic number.

10491530700 is a gapful number since it is divisible by the number (10) 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 10491530700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17366860672).

10491530700 is an abundant number, since it is smaller than the sum of its proper divisors (24242190644).

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

10491530700 is a wasteful number, since it uses less digits than its factorization.

10491530700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032 (or 6025 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 10491530700 in words is "ten billion, four hundred ninety-one million, five hundred thirty thousand, seven hundred".