2040023421030 has 128 divisors (see below), whose sum is σ = 5807907495936. Its totient is φ = 448756070400.

The previous prime is 2040023421001. The next prime is 2040023421077. The reversal of 2040023421030 is 301243200402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2040023420988 and 2040023421006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312654 + ... + 2043966.

It is an arithmetic number, because the mean of its divisors is an integer number (45374277312).

Almost surely, 2^{2040023421030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040023421030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903953747968).

2040023421030 is an abundant number, since it is smaller than the sum of its proper divisors (3767884074906).

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

2040023421030 is a wasteful number, since it uses less digits than its factorization.

2040023421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731542.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2040023421030 its reverse (301243200402), we get a palindrome (2341266621432).

The spelling of 2040023421030 in words is "two trillion, forty billion, twenty-three million, four hundred twenty-one thousand, thirty".