40818021120000 has 1920 divisors, whose sum is σ = 156979691668800. Its totient is φ = 10468196352000.

The previous prime is 40818021119999. The next prime is 40818021120013. The reversal of 40818021120000 is 2112081804.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×40818021120000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 175184639884 + ... + 175184640116.

Almost surely, 2^{40818021120000} is an apocalyptic number.

40818021120000 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 40818021120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78489845834400).

40818021120000 is an abundant number, since it is smaller than the sum of its proper divisors (116161670548800).

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

40818021120000 is a wasteful number, since it uses less digits than its factorization.

40818021120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The spelling of 40818021120000 in words is "forty trillion, eight hundred eighteen billion, twenty-one million, one hundred twenty thousand".