40993470 has 96 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 9063360.

The previous prime is 40993427. The next prime is 40993471. The reversal of 40993470 is 7439904.

40993470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40993471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18481 + ... + 20579.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 2^40993470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40993470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62899200).

40993470 is an abundant number, since it is smaller than the sum of its proper divisors (84804930).

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

40993470 is a wasteful number, since it uses less digits than its factorization.

40993470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40993470 is about 6402.6143097956. The cubic root of 40993470 is about 344.8034166772.

It can be divided in two parts, 4099 and 3470, that added together give a square (7569 = 87²).

The spelling of 40993470 in words is "forty million, nine hundred ninety-three thousand, four hundred seventy".