40051013465 has 8 divisors (see below), whose sum is σ = 48064652160. Its totient is φ = 32038520112.

The previous prime is 40051013449. The next prime is 40051013477. The reversal of 40051013465 is 56431015004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40051013465 - 2⁴ = 40051013449 is a prime.

It is a super-2 number, since 2×40051013465² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207425 + ... + 350894.

It is an arithmetic number, because the mean of its divisors is an integer number (6008081520).

Almost surely, 2^40051013465 is an apocalyptic number.

It is an amenable number.

40051013465 is a deficient number, since it is larger than the sum of its proper divisors (8013638695).

40051013465 is a wasteful number, since it uses less digits than its factorization.

40051013465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572671.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 40051013465 its reverse (56431015004), we get a palindrome (96482028469).

The spelling of 40051013465 in words is "forty billion, fifty-one million, thirteen thousand, four hundred sixty-five".