10101043764 has 120 divisors (see below), whose sum is σ = 30360274560. Its totient is φ = 2868623424.

The previous prime is 10101043763. The next prime is 10101043769. The reversal of 10101043764 is 46734010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101043763) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 365422 + ... + 392090.

It is an arithmetic number, because the mean of its divisors is an integer number (253002288).

Almost surely, 2^10101043764 is an apocalyptic number.

10101043764 is a gapful number since it is divisible by the number (14) 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 10101043764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15180137280).

10101043764 is an abundant number, since it is smaller than the sum of its proper divisors (20259230796).

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

10101043764 is a wasteful number, since it uses less digits than its factorization.

10101043764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26859 (or 26848 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 10101043764 its reverse (46734010101), we get a palindrome (56835053865).

The spelling of 10101043764 in words is "ten billion, one hundred one million, forty-three thousand, seven hundred sixty-four".