2040021310400 has 42 divisors (see below), whose sum is σ = 5019727440840. Its totient is φ = 816008523520.

The previous prime is 2040021310351. The next prime is 2040021310433. The reversal of 2040021310400 is 40131200402.

It is a super-2 number, since 2×2040021310400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 637505060 + ... + 637508259.

It is an arithmetic number, because the mean of its divisors is an integer number (119517320020).

Almost surely, 2^{2040021310400} is an apocalyptic number.

2040021310400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040021310400 is an abundant number, since it is smaller than the sum of its proper divisors (2979706130440).

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

2040021310400 is a wasteful number, since it uses less digits than its factorization.

2040021310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275013341 (or 1275013326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2040021310400 its reverse (40131200402), we get a palindrome (2080152510802).

The spelling of 2040021310400 in words is "two trillion, forty billion, twenty-one million, three hundred ten thousand, four hundred".