40429403 has 8 divisors (see below), whose sum is σ = 47332320. Its totient is φ = 33808320.

The previous prime is 40429399. The next prime is 40429409. The reversal of 40429403 is 30492404.

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

It is not a de Polignac number, because 40429403 - 2² = 40429399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40429409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70148 + ... + 70721.

It is an arithmetic number, because the mean of its divisors is an integer number (5916540).

Almost surely, 2^40429403 is an apocalyptic number.

40429403 is a deficient number, since it is larger than the sum of its proper divisors (6902917).

40429403 is a wasteful number, since it uses less digits than its factorization.

40429403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140917.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40429403 is about 6358.4119872811. The cubic root of 40429403 is about 343.2146174743.

The spelling of 40429403 in words is "forty million, four hundred twenty-nine thousand, four hundred three".