40003533104 has 80 divisors (see below), whose sum is σ = 84279337920. Its totient is φ = 18336890880.

The previous prime is 40003533091. The next prime is 40003533107. The reversal of 40003533104 is 40133530004.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 40003533104.

It is not an unprimeable number, because it can be changed into a prime (40003533107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448384 + ... + 1475744.

It is an arithmetic number, because the mean of its divisors is an integer number (1053491724).

Almost surely, 2^40003533104 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 40003533104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42139668960).

40003533104 is an abundant number, since it is smaller than the sum of its proper divisors (44275804816).

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

40003533104 is a wasteful number, since it uses less digits than its factorization.

40003533104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27558 (or 27552 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The spelling of 40003533104 in words is "forty billion, three million, five hundred thirty-three thousand, one hundred four".