40748445 has 24 divisors (see below), whose sum is σ = 74349600. Its totient is φ = 20588256.

The previous prime is 40748443. The next prime is 40748453. The reversal of 40748445 is 54484704.

It is not a de Polignac number, because 40748445 - 2¹ = 40748443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40748441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22975 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (3097900).

Almost surely, 2^40748445 is an apocalyptic number.

40748445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40748445 is a deficient number, since it is larger than the sum of its proper divisors (33601155).

40748445 is a wasteful number, since it uses less digits than its factorization.

40748445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47689 (or 47686 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 40748445 is about 6383.4508692399. The cubic root of 40748445 is about 344.1150603253.

The spelling of 40748445 in words is "forty million, seven hundred forty-eight thousand, four hundred forty-five".