1340004435 has 64 divisors (see below), whose sum is σ = 2738340864. Its totient is φ = 543283200.

The previous prime is 1340004433. The next prime is 1340004439. The reversal of 1340004435 is 5344000431.

It is not a de Polignac number, because 1340004435 - 2¹ = 1340004433 is a prime.

It is a super-2 number, since 2×1340004435² = 3591223771639338450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340004433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33207 + ... + 61503.

It is an arithmetic number, because the mean of its divisors is an integer number (42786576).

Almost surely, 2^1340004435 is an apocalyptic number.

1340004435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340004435 is an abundant number, since it is smaller than the sum of its proper divisors (1398336429).

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

1340004435 is a wasteful number, since it uses less digits than its factorization.

1340004435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28364.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1340004435 is about 36606.0710128798. The cubic root of 1340004435 is about 1102.4749877348.

Adding to 1340004435 its reverse (5344000431), we get a palindrome (6684004866).

The spelling of 1340004435 in words is "one billion, three hundred forty million, four thousand, four hundred thirty-five".