40749964992 has 168 divisors, whose sum is σ = 129826054800. Its totient is φ = 12115384320.

The previous prime is 40749964991. The next prime is 40749965017. The reversal of 40749964992 is 29946994704.

40749964992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40749964991) 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, 275134 + ... + 396482.

Almost surely, 2^40749964992 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 40749964992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64913027400).

40749964992 is an abundant number, since it is smaller than the sum of its proper divisors (89076089808).

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

40749964992 is a wasteful number, since it uses less digits than its factorization.

40749964992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121431 (or 121418 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 40749964992 in words is "forty billion, seven hundred forty-nine million, nine hundred sixty-four thousand, nine hundred ninety-two".