40949767620 has 192 divisors, whose sum is σ = 138184704000. Its totient is φ = 10026823680.

The previous prime is 40949767609. The next prime is 40949767627. The reversal of 40949767620 is 2676794904.

It is a happy number.

40949767620 is a `hidden beast` number, since 4 + 0 + 9 + 4 + 9 + 7 + 6 + 7 + 620 = 666.

40949767620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40949767627) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321981 + ... + 430779.

It is an arithmetic number, because the mean of its divisors is an integer number (719712000).

Almost surely, 2^40949767620 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 40949767620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69092352000).

40949767620 is an abundant number, since it is smaller than the sum of its proper divisors (97234936380).

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

40949767620 is a wasteful number, since it uses less digits than its factorization.

40949767620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108875 (or 108867 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 40949767620 in words is "forty billion, nine hundred forty-nine million, seven hundred sixty-seven thousand, six hundred twenty".