40329424 has 20 divisors (see below), whose sum is σ = 78397636. Its totient is φ = 20097792.

The previous prime is 40329409. The next prime is 40329433. The reversal of 40329424 is 42492304.

It can be written as a sum of positive squares in 2 ways, for example, as 12027024 + 28302400 = 3468^2 + 5320^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40329392 and 40329401.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 982 + ... + 9034.

Almost surely, 2^40329424 is an apocalyptic number.

It is an amenable number.

40329424 is a deficient number, since it is larger than the sum of its proper divisors (38068212).

40329424 is a wasteful number, since it uses less digits than its factorization.

40329424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374 (or 8368 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40329424 is about 6350.5451734477. The cubic root of 40329424 is about 342.9314689390.

It can be divided in two parts, 4032 and 9424, that added together give a square (13456 = 116²).

The spelling of 40329424 in words is "forty million, three hundred twenty-nine thousand, four hundred twenty-four".