40266002668 has 6 divisors (see below), whose sum is σ = 70465504676. Its totient is φ = 20133001332.

The previous prime is 40266002603. The next prime is 40266002671. The reversal of 40266002668 is 86620066204.

It is a self number, because there is not a number n which added to its sum of digits gives 40266002668.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033250330 + ... + 5033250337.

Almost surely, 2^40266002668 is an apocalyptic number.

It is an amenable number.

40266002668 is a deficient number, since it is larger than the sum of its proper divisors (30199502008).

40266002668 is a wasteful number, since it uses less digits than its factorization.

40266002668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066500671 (or 10066500669 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 40266002668 in words is "forty billion, two hundred sixty-six million, two thousand, six hundred sixty-eight".