10404021001042 has 4 divisors (see below), whose sum is σ = 15606031501566. Its totient is φ = 5202010500520.

The previous prime is 10404021000959. The next prime is 10404021001061. The reversal of 10404021001042 is 24010012040401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9802603689921 + 601417311121 = 3130911^2 + 775511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601005250259 + ... + 2601005250262.

Almost surely, 2^{10404021001042} is an apocalyptic number.

10404021001042 is a deficient number, since it is larger than the sum of its proper divisors (5202010500524).

10404021001042 is an equidigital number, since it uses as much as digits as its factorization.

10404021001042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202010500523.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10404021001042 its reverse (24010012040401), we get a palindrome (34414033041443).

The spelling of 10404021001042 in words is "ten trillion, four hundred four billion, twenty-one million, one thousand, forty-two".