40521627 has 20 divisors (see below), whose sum is σ = 61680960. Its totient is φ = 26501904.

The previous prime is 40521599. The next prime is 40521631. The reversal of 40521627 is 72612504.

It is not a de Polignac number, because 40521627 - 2⁶ = 40521563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40521627.

It is not an unprimeable number, because it can be changed into a prime (40521647) 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, 427 + ... + 9012.

It is an arithmetic number, because the mean of its divisors is an integer number (3084048).

Almost surely, 2^40521627 is an apocalyptic number.

40521627 is a deficient number, since it is larger than the sum of its proper divisors (21159333).

40521627 is an equidigital number, since it uses as much as digits as its factorization.

40521627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504 (or 9495 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40521627 is about 6365.6599814945. The cubic root of 40521627 is about 343.4753896290.

It can be divided in two parts, 4052162 and 7, that added together give a square (4052169 = 2013²).

The spelling of 40521627 in words is "forty million, five hundred twenty-one thousand, six hundred twenty-seven".