40645430757536 has 192 divisors, whose sum is σ = 93330228499200. Its totient is φ = 17237623603200.

The previous prime is 40645430757499. The next prime is 40645430757539. The reversal of 40645430757536 is 63575703454604.

It is not an unprimeable number, because it can be changed into a prime (40645430757539) 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, 2658467780 + ... + 2658483068.

It is an arithmetic number, because the mean of its divisors is an integer number (486094940100).

Almost surely, 2^{40645430757536} is an apocalyptic number.

40645430757536 is a gapful number since it is divisible by the number (46) 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 40645430757536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46665114249600).

40645430757536 is an abundant number, since it is smaller than the sum of its proper divisors (52684797741664).

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

40645430757536 is a wasteful number, since it uses less digits than its factorization.

40645430757536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23383 (or 23375 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 59.

The spelling of 40645430757536 in words is "forty trillion, six hundred forty-five billion, four hundred thirty million, seven hundred fifty-seven thousand, five hundred thirty-six".