40481065 has 16 divisors (see below), whose sum is σ = 49694400. Its totient is φ = 31648320.

The previous prime is 40481059. The next prime is 40481087. The reversal of 40481065 is 56018404.

It is not a de Polignac number, because 40481065 - 2⁵ = 40481033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49510 + ... + 50320.

It is an arithmetic number, because the mean of its divisors is an integer number (3105900).

Almost surely, 2^40481065 is an apocalyptic number.

It is an amenable number.

40481065 is a deficient number, since it is larger than the sum of its proper divisors (9213335).

40481065 is a wasteful number, since it uses less digits than its factorization.

40481065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40481065 is about 6362.4731826547. The cubic root of 40481065 is about 343.3607454993.

Adding to 40481065 its reverse (56018404), we get a palindrome (96499469).

The spelling of 40481065 in words is "forty million, four hundred eighty-one thousand, sixty-five".