40351652065 has 16 divisors (see below), whose sum is σ = 50541408000. Its totient is φ = 30869156032.

The previous prime is 40351652051. The next prime is 40351652101. The reversal of 40351652065 is 56025615304.

It is a cyclic number.

It is not a de Polignac number, because 40351652065 - 2⁹ = 40351651553 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, 380511 + ... + 474859.

It is an arithmetic number, because the mean of its divisors is an integer number (3158838000).

Almost surely, 2^40351652065 is an apocalyptic number.

It is an amenable number.

40351652065 is a deficient number, since it is larger than the sum of its proper divisors (10189755935).

40351652065 is a wasteful number, since it uses less digits than its factorization.

40351652065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98096.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 40351652065 in words is "forty billion, three hundred fifty-one million, six hundred fifty-two thousand, sixty-five".