440029971 has 12 divisors (see below), whose sum is σ = 636152400. Its totient is φ = 293097840.

The previous prime is 440029969. The next prime is 440030039. The reversal of 440029971 is 179920044.

It is not a de Polignac number, because 440029971 - 2¹ = 440029969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440029901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10071 + ... + 31328.

It is an arithmetic number, because the mean of its divisors is an integer number (53012700).

Almost surely, 2^440029971 is an apocalyptic number.

440029971 is a deficient number, since it is larger than the sum of its proper divisors (196122429).

440029971 is a wasteful number, since it uses less digits than its factorization.

440029971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42586 (or 42583 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 440029971 is about 20976.8913569194. The cubic root of 440029971 is about 760.6077611978.

The spelling of 440029971 in words is "four hundred forty million, twenty-nine thousand, nine hundred seventy-one".