40036111465 has 32 divisors (see below), whose sum is σ = 55218433536. Its totient is φ = 27297876480.

The previous prime is 40036111457. The next prime is 40036111469. The reversal of 40036111465 is 56411163004.

It is not a de Polignac number, because 40036111465 - 2³ = 40036111457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40036111469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4942959 + ... + 4951051.

It is an arithmetic number, because the mean of its divisors is an integer number (1725576048).

Almost surely, 2^40036111465 is an apocalyptic number.

It is an amenable number.

40036111465 is a deficient number, since it is larger than the sum of its proper divisors (15182322071).

40036111465 is a wasteful number, since it uses less digits than its factorization.

40036111465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 40036111465 its reverse (56411163004), we get a palindrome (96447274469).

The spelling of 40036111465 in words is "forty billion, thirty-six million, one hundred eleven thousand, four hundred sixty-five".