40321040204130 has 128 divisors (see below), whose sum is σ = 111955998873600. Its totient is φ = 9102865857024.

The previous prime is 40321040204083. The next prime is 40321040204177. The reversal of 40321040204130 is 3140204012304.

It is an interprime number because it is at equal distance from previous prime (40321040204083) and next prime (40321040204177).

It is a self number, because there is not a number n which added to its sum of digits gives 40321040204130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68188081 + ... + 68776859.

It is an arithmetic number, because the mean of its divisors is an integer number (874656241200).

Almost surely, 2^{40321040204130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40321040204130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55977999436800).

40321040204130 is an abundant number, since it is smaller than the sum of its proper divisors (71634958669470).

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

40321040204130 is a wasteful number, since it uses less digits than its factorization.

40321040204130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592808.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40321040204130 its reverse (3140204012304), we get a palindrome (43461244216434).

The spelling of 40321040204130 in words is "forty trillion, three hundred twenty-one billion, forty million, two hundred four thousand, one hundred thirty".