40663648762830 has 128 divisors (see below), whose sum is σ = 114833778278400. Its totient is φ = 10204110070272.

The previous prime is 40663648762823. The next prime is 40663648762853. The reversal of 40663648762830 is 3826784636604.

40663648762830 is a `hidden beast` number, since 4 + 0 + 6 + 63 + 6 + 487 + 62 + 8 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27475291 + ... + 28917449.

It is an arithmetic number, because the mean of its divisors is an integer number (897138892800).

Almost surely, 2^{40663648762830} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40663648762830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57416889139200).

40663648762830 is an abundant number, since it is smaller than the sum of its proper divisors (74170129515570).

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

40663648762830 is a wasteful number, since it uses less digits than its factorization.

40663648762830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448335 (or 1448329 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 63.

The spelling of 40663648762830 in words is "forty trillion, six hundred sixty-three billion, six hundred forty-eight million, seven hundred sixty-two thousand, eight hundred thirty".