2021130403040 has 96 divisors (see below), whose sum is σ = 5471301427200. Its totient is φ = 691149556224.

The previous prime is 2021130403007. The next prime is 2021130403043. The reversal of 2021130403040 is 403040311202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021130403043) 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, 1926890 + ... + 2784809.

It is an arithmetic number, because the mean of its divisors is an integer number (56992723200).

Almost surely, 2^{2021130403040} is an apocalyptic number.

2021130403040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021130403040 is an abundant number, since it is smaller than the sum of its proper divisors (3450171024160).

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

2021130403040 is a wasteful number, since it uses less digits than its factorization.

2021130403040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712104 (or 4712096 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2021130403040 its reverse (403040311202), we get a palindrome (2424170714242).

The spelling of 2021130403040 in words is "two trillion, twenty-one billion, one hundred thirty million, four hundred three thousand, forty".