1040021100434 has 16 divisors (see below), whose sum is σ = 1565284646016. Its totient is φ = 518260058400.

The previous prime is 1040021100431. The next prime is 1040021100497. The reversal of 1040021100434 is 4340011200401.

It is not an unprimeable number, because it can be changed into a prime (1040021100431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100894 + ... + 4347110.

It is an arithmetic number, because the mean of its divisors is an integer number (97830290376).

Almost surely, 2^{1040021100434} is an apocalyptic number.

1040021100434 is a deficient number, since it is larger than the sum of its proper divisors (525263545582).

1040021100434 is a wasteful number, since it uses less digits than its factorization.

1040021100434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253321.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1040021100434 its reverse (4340011200401), we get a palindrome (5380032300835).

The spelling of 1040021100434 in words is "one trillion, forty billion, twenty-one million, one hundred thousand, four hundred thirty-four".