1042400432 has 10 divisors (see below), whose sum is σ = 2019650868. Its totient is φ = 521200208.

The previous prime is 1042400431. The next prime is 1042400459. The reversal of 1042400432 is 2340042401.

It is not an unprimeable number, because it can be changed into a prime (1042400431) 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 as a sum of consecutive naturals, namely, 32574998 + ... + 32575029.

Almost surely, 2^1042400432 is an apocalyptic number.

It is an amenable number.

1042400432 is a deficient number, since it is larger than the sum of its proper divisors (977250436).

1042400432 is an equidigital number, since it uses as much as digits as its factorization.

1042400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65150035 (or 65150029 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1042400432 is about 32286.2266609153. The cubic root of 1042400432 is about 1013.9382985407.

Adding to 1042400432 its reverse (2340042401), we get a palindrome (3382442833).

The spelling of 1042400432 in words is "one billion, forty-two million, four hundred thousand, four hundred thirty-two".