1040202004 has 24 divisors (see below), whose sum is σ = 1841649320. Its totient is φ = 514031616.

The previous prime is 1040201989. The next prime is 1040202017. The reversal of 1040202004 is 4002020401.

It can be written as a sum of positive squares in 4 ways, for example, as 74857104 + 965344900 = 8652^2 + 31070^2 .

It is a congruent number.

It is an unprimeable number.

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, 385492 + ... + 388180.

Almost surely, 2^1040202004 is an apocalyptic number.

It is an amenable number.

1040202004 is a deficient number, since it is larger than the sum of its proper divisors (801447316).

1040202004 is a wasteful number, since it uses less digits than its factorization.

1040202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1040202004 is about 32252.1627801920. The cubic root of 1040202004 is about 1013.2249964493.

Adding to 1040202004 its reverse (4002020401), we get a palindrome (5042222405).

The spelling of 1040202004 in words is "one billion, forty million, two hundred two thousand, four".