40408650752 has 176 divisors, whose sum is σ = 89945507520. Its totient is φ = 18059231232.

The previous prime is 40408650743. The next prime is 40408650791. The reversal of 40408650752 is 25705680404.

It is a super-2 number, since 2×40408650752² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27695399 + ... + 27696857.

It is an arithmetic number, because the mean of its divisors is an integer number (511054020).

Almost surely, 2^40408650752 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 40408650752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44972753760).

40408650752 is an abundant number, since it is smaller than the sum of its proper divisors (49536856768).

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

40408650752 is a wasteful number, since it uses less digits than its factorization.

40408650752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 40408650752 in words is "forty billion, four hundred eight million, six hundred fifty thousand, seven hundred fifty-two".