40660460 has 24 divisors (see below), whose sum is σ = 86271360. Its totient is φ = 16095744.

The previous prime is 40660453. The next prime is 40660463. The reversal of 40660460 is 6406604.

It is not an unprimeable number, because it can be changed into a prime (40660463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8540 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (3594640).

Almost surely, 2^40660460 is an apocalyptic number.

It is an amenable number.

40660460 is an abundant number, since it is smaller than the sum of its proper divisors (45610900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40660460 is a wasteful number, since it uses less digits than its factorization.

40660460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065 (or 21063 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40660460 is about 6376.5554965044. Note that the first 3 decimals coincide. The cubic root of 40660460 is about 343.8672080752.

The spelling of 40660460 in words is "forty million, six hundred sixty thousand, four hundred sixty".