40511754140 has 96 divisors (see below), whose sum is σ = 100310664384. Its totient is φ = 13548994560.

The previous prime is 40511754139. The next prime is 40511754169. The reversal of 40511754140 is 4145711504.

It is a junction number, because it is equal to n+sod(n) for n = 40511754097 and 40511754106.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 766652 + ... + 817788.

It is an arithmetic number, because the mean of its divisors is an integer number (1044902754).

Almost surely, 2^40511754140 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 40511754140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50155332192).

40511754140 is an abundant number, since it is smaller than the sum of its proper divisors (59798910244).

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

40511754140 is a wasteful number, since it uses less digits than its factorization.

40511754140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51447 (or 51445 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 40511754140 in words is "forty billion, five hundred eleven million, seven hundred fifty-four thousand, one hundred forty".