40863051728 has 40 divisors (see below), whose sum is σ = 80789121576. Its totient is φ = 20015424000.

The previous prime is 40863051707. The next prime is 40863051731. The reversal of 40863051728 is 82715036804.

It can be written as a sum of positive squares in 4 ways, for example, as 30860651584 + 10002400144 = 175672^2 + 100012^2 .

It is a congruent number.

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, 524078 + ... + 596978.

Almost surely, 2^40863051728 is an apocalyptic number.

It is an amenable number.

40863051728 is a deficient number, since it is larger than the sum of its proper divisors (39926069848).

40863051728 is a wasteful number, since it uses less digits than its factorization.

40863051728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73623 (or 73617 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 40863051728 in words is "forty billion, eight hundred sixty-three million, fifty-one thousand, seven hundred twenty-eight".