40363390832832 has 154 divisors (see below), whose sum is σ = 120143488557348. Its totient is φ = 13454462351232.

The previous prime is 40363390832813. The next prime is 40363390832839. The reversal of 40363390832832 is 23823809336304.

40363390832832 is a `hidden beast` number, since 40 + 3 + 63 + 390 + 83 + 2 + 83 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40363390832839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 1561158 + ... + 9119429.

Almost surely, 2^{40363390832832} 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 40363390832832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60071744278674).

40363390832832 is an abundant number, since it is smaller than the sum of its proper divisors (79780097724516).

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

40363390832832 is an frugal number, since it uses more digits than its factorization.

40363390832832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680629 (or 10680592 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 54.

The spelling of 40363390832832 in words is "forty trillion, three hundred sixty-three billion, three hundred ninety million, eight hundred thirty-two thousand, eight hundred thirty-two".