2021431041400 has 48 divisors (see below), whose sum is σ = 4699920938040. Its totient is φ = 808556284800.

The previous prime is 2021431041367. The next prime is 2021431041521. The reversal of 2021431041400 is 41401341202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18583170 + ... + 18691630.

Almost surely, 2^{2021431041400} is an apocalyptic number.

2021431041400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021431041400 is an abundant number, since it is smaller than the sum of its proper divisors (2678489896640).

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

2021431041400 is a wasteful number, since it uses less digits than its factorization.

2021431041400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201664 (or 201655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2021431041400 its reverse (41401341202), we get a palindrome (2062832382602).

The spelling of 2021431041400 in words is "two trillion, twenty-one billion, four hundred thirty-one million, forty-one thousand, four hundred".