40163425755740 has 384 divisors, whose sum is σ = 110691434649600. Its totient is φ = 11909373788160.

The previous prime is 40163425755707. The next prime is 40163425755749. The reversal of 40163425755740 is 4755752436104.

It is a super-2 number, since 2×40163425755740² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163425755749) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 320682851 + ... + 320808069.

It is an arithmetic number, because the mean of its divisors is an integer number (288258944400).

Almost surely, 2^{40163425755740} 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 40163425755740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55345717324800).

40163425755740 is an abundant number, since it is smaller than the sum of its proper divisors (70528008893860).

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

40163425755740 is a wasteful number, since it uses less digits than its factorization.

40163425755740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125485 (or 125483 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 53.

The spelling of 40163425755740 in words is "forty trillion, one hundred sixty-three billion, four hundred twenty-five million, seven hundred fifty-five thousand, seven hundred forty".