40666950720 has 1120 divisors, whose sum is σ = 168247259136. Its totient is φ = 9231667200.

The previous prime is 40666950679. The next prime is 40666950767. The reversal of 40666950720 is 2705966604.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 380064907 + ... + 380065013.

Almost surely, 2^40666950720 is an apocalyptic number.

40666950720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40666950720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84123629568).

40666950720 is an abundant number, since it is smaller than the sum of its proper divisors (127580308416).

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

40666950720 is a wasteful number, since it uses less digits than its factorization.

40666950720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 40666950720 in words is "forty billion, six hundred sixty-six million, nine hundred fifty thousand, seven hundred twenty".