40041453340434 has 128 divisors (see below), whose sum is σ = 99927237247488. Its totient is φ = 10414315929600.

The previous prime is 40041453340409. The next prime is 40041453340451. The reversal of 40041453340434 is 43404335414004.

It is a super-2 number, since 2×40041453340434² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40041453340392 and 40041453340401.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 313738234 + ... + 313865834.

It is an arithmetic number, because the mean of its divisors is an integer number (780681540996).

Almost surely, 2^{40041453340434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40041453340434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49963618623744).

40041453340434 is an abundant number, since it is smaller than the sum of its proper divisors (59885783907054).

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

40041453340434 is a wasteful number, since it uses less digits than its factorization.

40041453340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135572.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 40041453340434 its reverse (43404335414004), we get a palindrome (83445788754438).

The spelling of 40041453340434 in words is "forty trillion, forty-one billion, four hundred fifty-three million, three hundred forty thousand, four hundred thirty-four".