34012454520 has 128 divisors (see below), whose sum is σ = 113200416000. Its totient is φ = 8105671680.

The previous prime is 34012454519. The next prime is 34012454551. The reversal of 34012454520 is 2545421043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140485 + ... + 296244.

It is an arithmetic number, because the mean of its divisors is an integer number (884378250).

Almost surely, 2^34012454520 is an apocalyptic number.

34012454520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34012454520 is an abundant number, since it is smaller than the sum of its proper divisors (79187961480).

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

34012454520 is a wasteful number, since it uses less digits than its factorization.

34012454520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436813 (or 436809 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 34012454520 its reverse (2545421043), we get a palindrome (36557875563).

The spelling of 34012454520 in words is "thirty-four billion, twelve million, four hundred fifty-four thousand, five hundred twenty".