40628547 has 20 divisors (see below), whose sum is σ = 61329576. Its totient is φ = 26801280.

The previous prime is 40628537. The next prime is 40628561. The reversal of 40628547 is 74582604.

It is not a de Polignac number, because 40628547 - 2¹⁰ = 40627523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40628537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5272 + ... + 10442.

Almost surely, 2^40628547 is an apocalyptic number.

40628547 is a deficient number, since it is larger than the sum of its proper divisors (20701029).

40628547 is an equidigital number, since it uses as much as digits as its factorization.

40628547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280 (or 5271 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 40628547 is about 6374.0526354902. The cubic root of 40628547 is about 343.7772213374. Note that the first 3 decimals are identical.

The spelling of 40628547 in words is "forty million, six hundred twenty-eight thousand, five hundred forty-seven".