34394018550 has 48 divisors (see below), whose sum is σ = 85739192400. Its totient is φ = 9124208640.

The previous prime is 34394018489. The next prime is 34394018551. The reversal of 34394018550 is 5581049343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34394018551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565075 + ... + 622974.

It is an arithmetic number, because the mean of its divisors is an integer number (1786233175).

Almost surely, 2^34394018550 is an apocalyptic number.

34394018550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34394018550 is an abundant number, since it is smaller than the sum of its proper divisors (51345173850).

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

34394018550 is a wasteful number, since it uses less digits than its factorization.

34394018550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188257 (or 1188252 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 34394018550 in words is "thirty-four billion, three hundred ninety-four million, eighteen thousand, five hundred fifty".