40918745 has 16 divisors (see below), whose sum is σ = 59419008. Its totient is φ = 26407680.

The previous prime is 40918741. The next prime is 40918747. The reversal of 40918745 is 54781904.

It is not a de Polignac number, because 40918745 - 2² = 40918741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40918699 and 40918708.

It is not an unprimeable number, because it can be changed into a prime (40918741) 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, 33791 + ... + 34980.

It is an arithmetic number, because the mean of its divisors is an integer number (3713688).

Almost surely, 2^40918745 is an apocalyptic number.

It is an amenable number.

40918745 is a deficient number, since it is larger than the sum of its proper divisors (18500263).

40918745 is a wasteful number, since it uses less digits than its factorization.

40918745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68800.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 40918745 is about 6396.7761411511. The cubic root of 40918745 is about 344.5937807953.

The spelling of 40918745 in words is "forty million, nine hundred eighteen thousand, seven hundred forty-five".