1040890435903 has 8 divisors (see below), whose sum is σ = 1041360629760. Its totient is φ = 1040420341080.

The previous prime is 1040890435901. The next prime is 1040890435951. The reversal of 1040890435903 is 3095340980401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040890435903 - 2¹ = 1040890435901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040890435901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27509868 + ... + 27547678.

It is an arithmetic number, because the mean of its divisors is an integer number (130170078720).

Almost surely, 2^{1040890435903} is an apocalyptic number.

1040890435903 is a deficient number, since it is larger than the sum of its proper divisors (470193857).

1040890435903 is an equidigital number, since it uses as much as digits as its factorization.

1040890435903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49517.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 1040890435903 in words is "one trillion, forty billion, eight hundred ninety million, four hundred thirty-five thousand, nine hundred three".