40470744 has 64 divisors (see below), whose sum is σ = 107814240. Its totient is φ = 12615680.

The previous prime is 40470743. The next prime is 40470797. The reversal of 40470744 is 44707404.

It is a super-2 number, since 2×40470744² = 3275762239827072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40470743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 114472 + ... + 114824.

Almost surely, 2^40470744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40470744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53907120).

40470744 is an abundant number, since it is smaller than the sum of its proper divisors (67343496).

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

40470744 is a wasteful number, since it uses less digits than its factorization.

40470744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 40470744 is about 6361.6620469811. The cubic root of 40470744 is about 343.3315620817.

It can be divided in two parts, 40470 and 744, that added together give a palindrome (41214).

The spelling of 40470744 in words is "forty million, four hundred seventy thousand, seven hundred forty-four".