40027724 has 48 divisors (see below), whose sum is σ = 82373760. Its totient is φ = 16815360.

The previous prime is 40027721. The next prime is 40027763. The reversal of 40027724 is 42772004.

It is a junction number, because it is equal to n+sod(n) for n = 40027693 and 40027702.

It is not an unprimeable number, because it can be changed into a prime (40027721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43679 + ... + 44585.

It is an arithmetic number, because the mean of its divisors is an integer number (1716120).

Almost surely, 2^40027724 is an apocalyptic number.

40027724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40027724 is an abundant number, since it is smaller than the sum of its proper divisors (42346036).

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

40027724 is a wasteful number, since it uses less digits than its factorization.

40027724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 40027724 is about 6326.7467153348. The cubic root of 40027724 is about 342.0741833765.

Adding to 40027724 its reverse (42772004), we get a palindrome (82799728).

The spelling of 40027724 in words is "forty million, twenty-seven thousand, seven hundred twenty-four".