40404571001004 has 96 divisors (see below), whose sum is σ = 108516549657600. Its totient is φ = 11461634150400.

The previous prime is 40404571000993. The next prime is 40404571001083. The reversal of 40404571001004 is 40010017540404.

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, 23116912 + ... + 24803240.

It is an arithmetic number, because the mean of its divisors is an integer number (1130380725600).

Almost surely, 2^{40404571001004} 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 40404571001004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54258274828800).

40404571001004 is an abundant number, since it is smaller than the sum of its proper divisors (68111978656596).

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

40404571001004 is a wasteful number, since it uses less digits than its factorization.

40404571001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688383 (or 1688381 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 40404571001004 its reverse (40010017540404), we get a palindrome (80414588541408).

The spelling of 40404571001004 in words is "forty trillion, four hundred four billion, five hundred seventy-one million, one thousand, four".