40442402004 has 48 divisors (see below), whose sum is σ = 97086365376. Its totient is φ = 13093401600.

The previous prime is 40442401973. The next prime is 40442402029. The reversal of 40442402004 is 40020424404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173764 + ... + 333284.

It is an arithmetic number, because the mean of its divisors is an integer number (2022632612).

Almost surely, 2^40442402004 is an apocalyptic number.

It is an amenable number.

40442402004 is an abundant number, since it is smaller than the sum of its proper divisors (56643963372).

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

40442402004 is a wasteful number, since it uses less digits than its factorization.

40442402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160136 (or 160134 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40442402004 its reverse (40020424404), we get a palindrome (80462826408).

The spelling of 40442402004 in words is "forty billion, four hundred forty-two million, four hundred two thousand, four".