40400333450204 has 144 divisors (see below), whose sum is σ = 89577745782336. Its totient is φ = 15605776742400.

The previous prime is 40400333450161. The next prime is 40400333450233. The reversal of 40400333450204 is 40205433300404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39034514 + ... + 40056134.

It is an arithmetic number, because the mean of its divisors is an integer number (622067679044).

Almost surely, 2^{40400333450204} 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 40400333450204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44788872891168).

40400333450204 is an abundant number, since it is smaller than the sum of its proper divisors (49177412332132).

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

40400333450204 is a wasteful number, since it uses less digits than its factorization.

40400333450204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021856 (or 1021841 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 40400333450204 its reverse (40205433300404), we get a palindrome (80605766750608).

The spelling of 40400333450204 in words is "forty trillion, four hundred billion, three hundred thirty-three million, four hundred fifty thousand, two hundred four".