34663991040 has 288 divisors, whose sum is σ = 140582722560. Its totient is φ = 7923142656.

The previous prime is 34663991009. The next prime is 34663991111. The reversal of 34663991040 is 4019936643.

34663991040 is a `hidden beast` number, since 3 + 4 + 6 + 639 + 9 + 1 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

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, 170277 + ... + 313563.

Almost surely, 2^34663991040 is an apocalyptic number.

34663991040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34663991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70291361280).

34663991040 is an abundant number, since it is smaller than the sum of its proper divisors (105918731520).

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

34663991040 is a wasteful number, since it uses less digits than its factorization.

34663991040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143324 (or 143304 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 34663991040 in words is "thirty-four billion, six hundred sixty-three million, nine hundred ninety-one thousand, forty".