40697823655008 has 576 divisors, whose sum is σ = 132097401072000. Its totient is φ = 11791144747008.

The previous prime is 40697823655003. The next prime is 40697823655057. The reversal of 40697823655008 is 80055632879604.

It is a happy number.

40697823655008 is a `hidden beast` number, since 4 + 0 + 6 + 9 + 78 + 2 + 3 + 6 + 550 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40697823655003) 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 95 ways as a sum of consecutive naturals, for example, 1755037078 + ... + 1755060266.

It is an arithmetic number, because the mean of its divisors is an integer number (229335765750).

Almost surely, 2^{40697823655008} is an apocalyptic number.

40697823655008 is a gapful number since it is divisible by the number (48) 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 40697823655008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66048700536000).

40697823655008 is an abundant number, since it is smaller than the sum of its proper divisors (91399577416992).

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

40697823655008 is a wasteful number, since it uses less digits than its factorization.

40697823655008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559 (or 23548 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 40697823655008 in words is "forty trillion, six hundred ninety-seven billion, eight hundred twenty-three million, six hundred fifty-five thousand, eight".