40002566948 has 6 divisors (see below), whose sum is σ = 70004492166. Its totient is φ = 20001283472.

The previous prime is 40002566939. The next prime is 40002566977. The reversal of 40002566948 is 84966520004.

It can be written as a sum of positive squares in only one way, i.e., 24873074944 + 15129492004 = 157712^2 + 123002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40002566899 and 40002566908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000320865 + ... + 5000320872.

It is an arithmetic number, because the mean of its divisors is an integer number (11667415361).

Almost surely, 2^40002566948 is an apocalyptic number.

It is an amenable number.

40002566948 is a deficient number, since it is larger than the sum of its proper divisors (30001925218).

40002566948 is a wasteful number, since it uses less digits than its factorization.

40002566948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000641741 (or 10000641739 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 40002566948 in words is "forty billion, two million, five hundred sixty-six thousand, nine hundred forty-eight".