40409454804 has 48 divisors (see below), whose sum is σ = 97873211520. Its totient is φ = 12960922240.

The previous prime is 40409454803. The next prime is 40409454823. The reversal of 40409454804 is 40845490404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40409454803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96192 + ... + 300119.

It is an arithmetic number, because the mean of its divisors is an integer number (2039025240).

Almost surely, 2^40409454804 is an apocalyptic number.

It is an amenable number.

40409454804 is an abundant number, since it is smaller than the sum of its proper divisors (57463756716).

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

40409454804 is a wasteful number, since it uses less digits than its factorization.

40409454804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396640 (or 396638 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 40409454804 in words is "forty billion, four hundred nine million, four hundred fifty-four thousand, eight hundred four".