40666887484 has 24 divisors (see below), whose sum is σ = 75555417168. Its totient is φ = 19086040320.

The previous prime is 40666887463. The next prime is 40666887493. The reversal of 40666887484 is 48478866604.

It is a happy number.

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, 776302 + ... + 827029.

It is an arithmetic number, because the mean of its divisors is an integer number (3148142382).

Almost surely, 2^40666887484 is an apocalyptic number.

It is an amenable number.

40666887484 is a deficient number, since it is larger than the sum of its proper divisors (34888529684).

40666887484 is a wasteful number, since it uses less digits than its factorization.

40666887484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603725 (or 1603723 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 61.

The spelling of 40666887484 in words is "forty billion, six hundred sixty-six million, eight hundred eighty-seven thousand, four hundred eighty-four".