40479744 has 44 divisors (see below), whose sum is σ = 107901464. Its totient is φ = 13492224.

The previous prime is 40479743. The next prime is 40479767. The reversal of 40479744 is 44797404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40479743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517 + ... + 9660.

It is an arithmetic number, because the mean of its divisors is an integer number (2452306).

Almost surely, 2^40479744 is an apocalyptic number.

It is an amenable number.

40479744 is an abundant number, since it is smaller than the sum of its proper divisors (67421720).

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

40479744 is a wasteful number, since it uses less digits than its factorization.

40479744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200 (or 13182 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 40479744 is about 6362.3693699753. The cubic root of 40479744 is about 343.3570105476.

The spelling of 40479744 in words is "forty million, four hundred seventy-nine thousand, seven hundred forty-four".