34540021252 has 24 divisors (see below), whose sum is σ = 69818868000. Its totient is φ = 14776479360.

The previous prime is 34540021249. The next prime is 34540021279. The reversal of 34540021252 is 25212004543.

It is a super-2 number, since 2×34540021252² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34540021252.

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, 23087502 + ... + 23088997.

It is an arithmetic number, because the mean of its divisors is an integer number (2909119500).

Almost surely, 2^34540021252 is an apocalyptic number.

It is an amenable number.

34540021252 is an abundant number, since it is smaller than the sum of its proper divisors (35278846748).

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

34540021252 is a wasteful number, since it uses less digits than its factorization.

34540021252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46176531 (or 46176529 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 34540021252 its reverse (25212004543), we get a palindrome (59752025795).

The spelling of 34540021252 in words is "thirty-four billion, five hundred forty million, twenty-one thousand, two hundred fifty-two".