34440520 has 16 divisors (see below), whose sum is σ = 77491260. Its totient is φ = 13776192.

The previous prime is 34440517. The next prime is 34440551. The reversal of 34440520 is 2504443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 1285956 = 5758^2 + 1134^2 .

It is a super-2 number, since 2×34440520² = 2372298835740800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34440491 and 34440500.

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, 430467 + ... + 430546.

Almost surely, 2^34440520 is an apocalyptic number.

It is an amenable number.

34440520 is an abundant number, since it is smaller than the sum of its proper divisors (43050740).

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

34440520 is a wasteful number, since it uses less digits than its factorization.

34440520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861024 (or 861020 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 34440520 is about 5868.6046041627. The cubic root of 34440520 is about 325.3543118172.

Adding to 34440520 its reverse (2504443), we get a palindrome (36944963).

The spelling of 34440520 in words is "thirty-four million, four hundred forty thousand, five hundred twenty".