40660894528 has 28 divisors (see below), whose sum is σ = 80696442112. Its totient is φ = 20327932800.

The previous prime is 40660894481. The next prime is 40660894531. The reversal of 40660894528 is 82549806604.

It is a super-3 number, since 3×40660894528³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550951 + ... + 620377.

Almost surely, 2^40660894528 is an apocalyptic number.

It is an amenable number.

40660894528 is a deficient number, since it is larger than the sum of its proper divisors (40035547584).

40660894528 is an equidigital number, since it uses as much as digits as its factorization.

40660894528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78590 (or 78580 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 40660894528 in words is "forty billion, six hundred sixty million, eight hundred ninety-four thousand, five hundred twenty-eight".