40381480265 has 16 divisors (see below), whose sum is σ = 55385493120. Its totient is φ = 27687569280.

The previous prime is 40381480187. The next prime is 40381480267. The reversal of 40381480265 is 56208418304.

It is not a de Polignac number, because 40381480265 - 2²⁸ = 40113044809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40381480267) 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, 373526 + ... + 469344.

It is an arithmetic number, because the mean of its divisors is an integer number (3461593320).

Almost surely, 2^40381480265 is an apocalyptic number.

It is an amenable number.

40381480265 is a deficient number, since it is larger than the sum of its proper divisors (15004012855).

40381480265 is a wasteful number, since it uses less digits than its factorization.

40381480265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107872.

The product of its (nonzero) digits is 184320, while the sum is 41.

Adding to 40381480265 its reverse (56208418304), we get a palindrome (96589898569).

The spelling of 40381480265 in words is "forty billion, three hundred eighty-one million, four hundred eighty thousand, two hundred sixty-five".