1040402203442 has 8 divisors (see below), whose sum is σ = 1783546634496. Its totient is φ = 445886658612.

The previous prime is 1040402203429. The next prime is 1040402203487. The reversal of 1040402203442 is 2443022040401.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37157221538 + ... + 37157221565.

It is an arithmetic number, because the mean of its divisors is an integer number (222943329312).

Almost surely, 2^{1040402203442} is an apocalyptic number.

1040402203442 is a deficient number, since it is larger than the sum of its proper divisors (743144431054).

1040402203442 is an equidigital number, since it uses as much as digits as its factorization.

1040402203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74314443112.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 1040402203442 its reverse (2443022040401), we get a palindrome (3483424243843).

The spelling of 1040402203442 in words is "one trillion, forty billion, four hundred two million, two hundred three thousand, four hundred forty-two".