40944345 has 16 divisors (see below), whose sum is σ = 70550592. Its totient is φ = 20157120.

The previous prime is 40944341. The next prime is 40944349. The reversal of 40944345 is 54344904.

It is an interprime number because it is at equal distance from previous prime (40944341) and next prime (40944349).

It is not a de Polignac number, because 40944345 - 2² = 40944341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40944341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104791 + ... + 105180.

It is an arithmetic number, because the mean of its divisors is an integer number (4409412).

Almost surely, 2^40944345 is an apocalyptic number.

It is an amenable number.

40944345 is a deficient number, since it is larger than the sum of its proper divisors (29606247).

40944345 is a wasteful number, since it uses less digits than its factorization.

40944345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209992.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 40944345 is about 6398.7768362399. The cubic root of 40944345 is about 344.6656285654.

The spelling of 40944345 in words is "forty million, nine hundred forty-four thousand, three hundred forty-five".