40653775982976 has 256 divisors, whose sum is σ = 118148785574400. Its totient is φ = 12310709207040.

The previous prime is 40653775982969. The next prime is 40653775982977. The reversal of 40653775982976 is 67928957735604.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40653775982977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86441581 + ... + 86910611.

It is an arithmetic number, because the mean of its divisors is an integer number (461518693650).

Almost surely, 2^{40653775982976} 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 40653775982976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59074392787200).

40653775982976 is an abundant number, since it is smaller than the sum of its proper divisors (77495009591424).

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

40653775982976 is a wasteful number, since it uses less digits than its factorization.

40653775982976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469337 (or 469325 counting only the distinct ones).

The product of its (nonzero) digits is 4800902400, while the sum is 78.

The spelling of 40653775982976 in words is "forty trillion, six hundred fifty-three billion, seven hundred seventy-five million, nine hundred eighty-two thousand, nine hundred seventy-six".