40397019730230 has 128 divisors (see below), whose sum is σ = 104233869342720. Its totient is φ = 9987767354880.

The previous prime is 40397019730219. The next prime is 40397019730247. The reversal of 40397019730230 is 3203791079304.

It is a self number, because there is not a number n which added to its sum of digits gives 40397019730230.

It is a congruent number.

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, 503531520 + ... + 503611740.

It is an arithmetic number, because the mean of its divisors is an integer number (814327104240).

Almost surely, 2^{40397019730230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40397019730230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52116934671360).

40397019730230 is an abundant number, since it is smaller than the sum of its proper divisors (63836849612490).

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

40397019730230 is a wasteful number, since it uses less digits than its factorization.

40397019730230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99094.

The product of its (nonzero) digits is 857304, while the sum is 48.

The spelling of 40397019730230 in words is "forty trillion, three hundred ninety-seven billion, nineteen million, seven hundred thirty thousand, two hundred thirty".