34023156840 has 64 divisors (see below), whose sum is σ = 113410526400. Its totient is φ = 9072841536.

The previous prime is 34023156781. The next prime is 34023156857. The reversal of 34023156840 is 4865132043.

34023156840 is a `hidden beast` number, since 34 + 0 + 23 + 1 + 568 + 40 = 666.

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 = 34023156795 and 34023156804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15750382 + ... + 15752541.

It is an arithmetic number, because the mean of its divisors is an integer number (1772039475).

Almost surely, 2^34023156840 is an apocalyptic number.

34023156840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34023156840 is an abundant number, since it is smaller than the sum of its proper divisors (79387369560).

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

34023156840 is a wasteful number, since it uses less digits than its factorization.

34023156840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31502943 (or 31502933 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 34023156840 its reverse (4865132043), we get a palindrome (38888288883).

The spelling of 34023156840 in words is "thirty-four billion, twenty-three million, one hundred fifty-six thousand, eight hundred forty".