234635001840 has 120 divisors (see below), whose sum is σ = 800900444448. Its totient is φ = 61543595520.

The previous prime is 234635001817. The next prime is 234635001859. The reversal of 234635001840 is 48100536432.

234635001840 is a `hidden beast` number, since 2 + 3 + 4 + 635 + 0 + 0 + 18 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 234635001795 and 234635001804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2627244 + ... + 2715083.

Almost surely, 2^234635001840 is an apocalyptic number.

234635001840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234635001840 is an abundant number, since it is smaller than the sum of its proper divisors (566265442608).

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

234635001840 is a wasteful number, since it uses less digits than its factorization.

234635001840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342407 (or 5342398 counting only the distinct ones).

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

The spelling of 234635001840 in words is "two hundred thirty-four billion, six hundred thirty-five million, one thousand, eight hundred forty".