40531102465 has 32 divisors (see below), whose sum is σ = 55805391360. Its totient is φ = 27683057664.

The previous prime is 40531102441. The next prime is 40531102477. The reversal of 40531102465 is 56420113504.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40531102465 - 2¹³ = 40531094273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10277284 + ... + 10281226.

It is an arithmetic number, because the mean of its divisors is an integer number (1743918480).

Almost surely, 2^40531102465 is an apocalyptic number.

It is an amenable number.

40531102465 is a deficient number, since it is larger than the sum of its proper divisors (15274288895).

40531102465 is a wasteful number, since it uses less digits than its factorization.

40531102465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 40531102465 its reverse (56420113504), we get a palindrome (96951215969).

The spelling of 40531102465 in words is "forty billion, five hundred thirty-one million, one hundred two thousand, four hundred sixty-five".