40920979200 has 216 divisors, whose sum is σ = 135589582128. Its totient is φ = 10868490240.

The previous prime is 40920979181. The next prime is 40920979201. The reversal of 40920979200 is 297902904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40920979201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4930254 + ... + 4938546.

Almost surely, 2^40920979200 is an apocalyptic number.

40920979200 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 40920979200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67794791064).

40920979200 is an abundant number, since it is smaller than the sum of its proper divisors (94668602928).

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

40920979200 is a wasteful number, since it uses less digits than its factorization.

40920979200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579 (or 8560 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 40920979200 in words is "forty billion, nine hundred twenty million, nine hundred seventy-nine thousand, two hundred".