34636811640 has 64 divisors (see below), whose sum is σ = 104881599360. Its totient is φ = 9150157440.

The previous prime is 34636811611. The next prime is 34636811681. The reversal of 34636811640 is 4611863643.

It is a junction number, because it is equal to n+sod(n) for n = 34636811592 and 34636811601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335946 + ... + 1361625.

It is an arithmetic number, because the mean of its divisors is an integer number (1638774990).

Almost surely, 2^34636811640 is an apocalyptic number.

34636811640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34636811640 is an abundant number, since it is smaller than the sum of its proper divisors (70244787720).

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

34636811640 is a wasteful number, since it uses less digits than its factorization.

34636811640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697692 (or 2697688 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 34636811640 in words is "thirty-four billion, six hundred thirty-six million, eight hundred eleven thousand, six hundred forty".