40118699516672 has 216 divisors, whose sum is σ = 96179039171712. Its totient is φ = 16635812659200.

The previous prime is 40118699516671. The next prime is 40118699516681. The reversal of 40118699516672 is 27661599681104.

It is a junction number, because it is equal to n+sod(n) for n = 40118699516599 and 40118699516608.

It is not an unprimeable number, because it can be changed into a prime (40118699516671) 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, 3780141638 + ... + 3780152250.

Almost surely, 2^{40118699516672} 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 40118699516672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48089519585856).

40118699516672 is an abundant number, since it is smaller than the sum of its proper divisors (56060339655040).

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

40118699516672 is a wasteful number, since it uses less digits than its factorization.

40118699516672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20395 (or 20374 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 40118699516672 in words is "forty trillion, one hundred eighteen billion, six hundred ninety-nine million, five hundred sixteen thousand, six hundred seventy-two".