1040202452 has 24 divisors (see below), whose sum is σ = 1850184000. Its totient is φ = 511638336.

The previous prime is 1040202451. The next prime is 1040202467. The reversal of 1040202452 is 2542020401.

It is a happy number.

It is a super-2 number, since 2×1040202452² = 2164042282293624608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040202451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63503 + ... + 78185.

It is an arithmetic number, because the mean of its divisors is an integer number (77091000).

Almost surely, 2^1040202452 is an apocalyptic number.

It is an amenable number.

1040202452 is a deficient number, since it is larger than the sum of its proper divisors (809981548).

1040202452 is a wasteful number, since it uses less digits than its factorization.

1040202452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14975 (or 14973 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1040202452 is about 32252.1697254619. The cubic root of 1040202452 is about 1013.2251419097.

Adding to 1040202452 its reverse (2542020401), we get a palindrome (3582222853).

The spelling of 1040202452 in words is "one billion, forty million, two hundred two thousand, four hundred fifty-two".