34857451620 has 72 divisors (see below), whose sum is σ = 105894592440. Its totient is φ = 9281226240.

The previous prime is 34857451591. The next prime is 34857451631. The reversal of 34857451620 is 2615475843.

34857451620 is a `hidden beast` number, since 3 + 4 + 8 + 574 + 51 + 6 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18048847716 + 16808603904 = 134346^2 + 129648^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 27505 + ... + 265464.

Almost surely, 2^34857451620 is an apocalyptic number.

34857451620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34857451620 is an abundant number, since it is smaller than the sum of its proper divisors (71037140820).

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

34857451620 is a wasteful number, since it uses less digits than its factorization.

34857451620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293645 (or 293640 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 34857451620 in words is "thirty-four billion, eight hundred fifty-seven million, four hundred fifty-one thousand, six hundred twenty".