40920376266 has 192 divisors, whose sum is σ = 117019468800. Its totient is φ = 10011859200.

The previous prime is 40920376213. The next prime is 40920376267. The reversal of 40920376266 is 66267302904.

It is a super-2 number, since 2×40920376266² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40920376267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4709446 + ... + 4718126.

It is an arithmetic number, because the mean of its divisors is an integer number (609476400).

Almost surely, 2^40920376266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40920376266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58509734400).

40920376266 is an abundant number, since it is smaller than the sum of its proper divisors (76099092534).

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

40920376266 is a wasteful number, since it uses less digits than its factorization.

40920376266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905 (or 8902 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 40920376266 in words is "forty billion, nine hundred twenty million, three hundred seventy-six thousand, two hundred sixty-six".