34478413884 has 96 divisors (see below), whose sum is σ = 91671316800. Its totient is φ = 11199928320.

The previous prime is 34478413841. The next prime is 34478413889. The reversal of 34478413884 is 48831487443.

34478413884 is a `hidden beast` number, since 34 + 478 + 4 + 138 + 8 + 4 = 666.

It is a super-2 number, since 2×34478413884² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 34478413884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478413889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4463994 + ... + 4471710.

It is an arithmetic number, because the mean of its divisors is an integer number (954909550).

Almost surely, 2^34478413884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34478413884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45835658400).

34478413884 is an abundant number, since it is smaller than the sum of its proper divisors (57192902916).

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

34478413884 is a wasteful number, since it uses less digits than its factorization.

34478413884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780 (or 8772 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 54.

The spelling of 34478413884 in words is "thirty-four billion, four hundred seventy-eight million, four hundred thirteen thousand, eight hundred eighty-four".