34015342644 has 36 divisors (see below), whose sum is σ = 86002924644. Its totient is φ = 11335850112.

The previous prime is 34015342637. The next prime is 34015342663. The reversal of 34015342644 is 44624351043.

34015342644 is a `hidden beast` number, since 3 + 4 + 0 + 1 + 5 + 3 + 4 + 2 + 644 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14306552100 + 19708790544 = 119610^2 + 140388^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 34015342599 and 34015342608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54454 + ... + 266450.

It is an arithmetic number, because the mean of its divisors is an integer number (2388970129).

Almost surely, 2^34015342644 is an apocalyptic number.

It is an amenable number.

34015342644 is an abundant number, since it is smaller than the sum of its proper divisors (51987582000).

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

34015342644 is a wasteful number, since it uses less digits than its factorization.

34015342644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216464 (or 216459 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 34015342644 its reverse (44624351043), we get a palindrome (78639693687).

The spelling of 34015342644 in words is "thirty-four billion, fifteen million, three hundred forty-two thousand, six hundred forty-four".