34551400120 has 32 divisors (see below), whose sum is σ = 77940532800. Its totient is φ = 13785025408.

The previous prime is 34551400111. The next prime is 34551400127. The reversal of 34551400120 is 2100415543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34551400127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094704 + ... + 1125823.

It is an arithmetic number, because the mean of its divisors is an integer number (2435641650).

Almost surely, 2^34551400120 is an apocalyptic number.

It is an amenable number.

34551400120 is an abundant number, since it is smaller than the sum of its proper divisors (43389132680).

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

34551400120 is a wasteful number, since it uses less digits than its factorization.

34551400120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220927 (or 2220923 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 34551400120 its reverse (2100415543), we get a palindrome (36651815663).

The spelling of 34551400120 in words is "thirty-four billion, five hundred fifty-one million, four hundred thousand, one hundred twenty".