2101023040 has 112 divisors (see below), whose sum is σ = 5356555200. Its totient is φ = 782548992.

The previous prime is 2101022993. The next prime is 2101023053. The reversal of 2101023040 is 403201012.

It is a super-2 number, since 2×2101023040² = 8828595629221683200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101023040.

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, 355792 + ... + 361648.

Almost surely, 2^2101023040 is an apocalyptic number.

2101023040 is a gapful number since it is divisible by the number (20) 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 2101023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678277600).

2101023040 is an abundant number, since it is smaller than the sum of its proper divisors (3255532160).

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

2101023040 is a wasteful number, since it uses less digits than its factorization.

2101023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2101023040 is about 45836.9178719512. The cubic root of 2101023040 is about 1280.7870810233.

Adding to 2101023040 its reverse (403201012), we get a palindrome (2504224052).

The spelling of 2101023040 in words is "two billion, one hundred one million, twenty-three thousand, forty".