40029445 has 8 divisors (see below), whose sum is σ = 48712320. Its totient is φ = 31572240.

The previous prime is 40029439. The next prime is 40029461. The reversal of 40029445 is 54492004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40029445 - 2¹¹ = 40027397 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 56025 + ... + 56734.

It is an arithmetic number, because the mean of its divisors is an integer number (6089040).

Almost surely, 2^40029445 is an apocalyptic number.

It is an amenable number.

40029445 is a deficient number, since it is larger than the sum of its proper divisors (8682875).

40029445 is a wasteful number, since it uses less digits than its factorization.

40029445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112835.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40029445 is about 6326.8827237432. The cubic root of 40029445 is about 342.0790858222.

The spelling of 40029445 in words is "forty million, twenty-nine thousand, four hundred forty-five".