40928781488 has 40 divisors (see below), whose sum is σ = 90648150528. Its totient is φ = 17537009472.

The previous prime is 40928781479. The next prime is 40928781503. The reversal of 40928781488 is 88418782904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497495 + ... + 573897.

Almost surely, 2^40928781488 is an apocalyptic number.

It is an amenable number.

40928781488 is an abundant number, since it is smaller than the sum of its proper divisors (49719369040).

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

40928781488 is a wasteful number, since it uses less digits than its factorization.

40928781488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81201 (or 81195 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 59.

The spelling of 40928781488 in words is "forty billion, nine hundred twenty-eight million, seven hundred eighty-one thousand, four hundred eighty-eight".