40658368608 has 480 divisors, whose sum is σ = 143803199232. Its totient is φ = 11104128000.

The previous prime is 40658368591. The next prime is 40658368627. The reversal of 40658368608 is 80686385604.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 15936933 + ... + 15939483.

Almost surely, 2^40658368608 is an apocalyptic number.

40658368608 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 40658368608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71901599616).

40658368608 is an abundant number, since it is smaller than the sum of its proper divisors (103144830624).

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

40658368608 is a wasteful number, since it uses less digits than its factorization.

40658368608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 40658368608 in words is "forty billion, six hundred fifty-eight million, three hundred sixty-eight thousand, six hundred eight".