40369318976 has 168 divisors, whose sum is σ = 96950101248. Its totient is φ = 16327526400.

The previous prime is 40369318973. The next prime is 40369318987. The reversal of 40369318976 is 67981396304.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (40369318973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17650505 + ... + 17652791.

It is an arithmetic number, because the mean of its divisors is an integer number (577083936).

Almost surely, 2^40369318976 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 40369318976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48475050624).

40369318976 is an abundant number, since it is smaller than the sum of its proper divisors (56580782272).

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

40369318976 is a wasteful number, since it uses less digits than its factorization.

40369318976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 40369318976 in words is "forty billion, three hundred sixty-nine million, three hundred eighteen thousand, nine hundred seventy-six".