1040440434 has 32 divisors (see below), whose sum is σ = 2285107200. Its totient is φ = 313194000.

The previous prime is 1040440417. The next prime is 1040440447. The reversal of 1040440434 is 4340440401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42234 + ... + 62165.

It is an arithmetic number, because the mean of its divisors is an integer number (71409600).

Almost surely, 2^1040440434 is an apocalyptic number.

1040440434 is an abundant number, since it is smaller than the sum of its proper divisors (1244666766).

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

1040440434 is a wasteful number, since it uses less digits than its factorization.

1040440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104566.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1040440434 is about 32255.8589096617. The cubic root of 1040440434 is about 1013.3024060227.

Adding to 1040440434 its reverse (4340440401), we get a palindrome (5380880835).

The spelling of 1040440434 in words is "one billion, forty million, four hundred forty thousand, four hundred thirty-four".