1042440434 has 16 divisors (see below), whose sum is σ = 1881096000. Its totient is φ = 423246384.

The previous prime is 1042440403. The next prime is 1042440499. The reversal of 1042440434 is 4340442401.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959209 + ... + 1959740.

It is an arithmetic number, because the mean of its divisors is an integer number (117568500).

Almost surely, 2^1042440434 is an apocalyptic number.

1042440434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1042440434 is a deficient number, since it is larger than the sum of its proper divisors (838655566).

1042440434 is a wasteful number, since it uses less digits than its factorization.

1042440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918977.

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

The square root of 1042440434 is about 32286.8461451409. The cubic root of 1042440434 is about 1013.9512682978.

Adding to 1042440434 its reverse (4340442401), we get a palindrome (5382882835).

The spelling of 1042440434 in words is "one billion, forty-two million, four hundred forty thousand, four hundred thirty-four".