40895945 has 16 divisors (see below), whose sum is σ = 51354000. Its totient is φ = 31223808.

The previous prime is 40895941. The next prime is 40895947. The reversal of 40895945 is 54959804.

It can be written as a sum of positive squares in 8 ways, for example, as 89401 + 40806544 = 299^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 40895945 - 2² = 40895941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40895896 and 40895905.

It is not an unprimeable number, because it can be changed into a prime (40895941) 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, 11321 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (3209625).

Almost surely, 2^40895945 is an apocalyptic number.

It is an amenable number.

40895945 is a deficient number, since it is larger than the sum of its proper divisors (10458055).

40895945 is a wasteful number, since it uses less digits than its factorization.

40895945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 40895945 is about 6394.9937451103. The cubic root of 40895945 is about 344.5297661413.

The spelling of 40895945 in words is "forty million, eight hundred ninety-five thousand, nine hundred forty-five".