40868485632 has 320 divisors, whose sum is σ = 137147472000. Its totient is φ = 11912085504.

The previous prime is 40868485631. The next prime is 40868485649. The reversal of 40868485632 is 23658486804.

40868485632 is a `hidden beast` number, since 40 + 8 + 68 + 485 + 63 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (40868485631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3408544 + ... + 3420512.

It is an arithmetic number, because the mean of its divisors is an integer number (428585850).

Almost surely, 2^40868485632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40868485632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68573736000).

40868485632 is an abundant number, since it is smaller than the sum of its proper divisors (96278986368).

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

40868485632 is a wasteful number, since it uses less digits than its factorization.

40868485632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12028 (or 12006 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 40868485632 in words is "forty billion, eight hundred sixty-eight million, four hundred eighty-five thousand, six hundred thirty-two".