40507294308 has 288 divisors, whose sum is σ = 110169279360. Its totient is φ = 11556679680.

The previous prime is 40507294273. The next prime is 40507294309. The reversal of 40507294308 is 80349270504.

It is a self number, because there is not a number n which added to its sum of digits gives 40507294308.

It is not an unprimeable number, because it can be changed into a prime (40507294309) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 258008166 + ... + 258008322.

It is an arithmetic number, because the mean of its divisors is an integer number (382532220).

Almost surely, 2^40507294308 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 40507294308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55084639680).

40507294308 is an abundant number, since it is smaller than the sum of its proper divisors (69661985052).

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

40507294308 is a wasteful number, since it uses less digits than its factorization.

40507294308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 40507294308 in words is "forty billion, five hundred seven million, two hundred ninety-four thousand, three hundred eight".