1040550402 has 16 divisors (see below), whose sum is σ = 2148233472. Its totient is φ = 335661360.

The previous prime is 1040550391. The next prime is 1040550403. The reversal of 1040550402 is 2040550401.

It is not an unprimeable number, because it can be changed into a prime (1040550403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2796993 + ... + 2797364.

It is an arithmetic number, because the mean of its divisors is an integer number (134264592).

Almost surely, 2^1040550402 is an apocalyptic number.

1040550402 is an abundant number, since it is smaller than the sum of its proper divisors (1107683070).

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

1040550402 is a wasteful number, since it uses less digits than its factorization.

1040550402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594393.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1040550402 is about 32257.5634851735. The cubic root of 1040550402 is about 1013.3381046588.

Subtracting 1040550402 from its reverse (2040550401), we obtain a palindrome (999999999).

The spelling of 1040550402 in words is "one billion, forty million, five hundred fifty thousand, four hundred two".