34440040 has 16 divisors (see below), whose sum is σ = 77490180. Its totient is φ = 13776000.

The previous prime is 34440001. The next prime is 34440059. The reversal of 34440040 is 4004443.

It can be written as a sum of positive squares in 2 ways, for example, as 32649796 + 1790244 = 5714^2 + 1338^2 .

It is a super-2 number, since 2×34440040² = 2372232710403200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430461 + ... + 430540.

Almost surely, 2^34440040 is an apocalyptic number.

It is an amenable number.

34440040 is an abundant number, since it is smaller than the sum of its proper divisors (43050140).

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

34440040 is a wasteful number, since it uses less digits than its factorization.

34440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861012 (or 861008 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 34440040 is about 5868.5637084384. The cubic root of 34440040 is about 325.3528003147.

Adding to 34440040 its reverse (4004443), we get a palindrome (38444483).

The spelling of 34440040 in words is "thirty-four million, four hundred forty thousand, forty".