40417125913 has 4 divisors (see below), whose sum is σ = 41810819940. Its totient is φ = 39023431888.

The previous prime is 40417125901. The next prime is 40417125929. The reversal of 40417125913 is 31952171404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22859020864 + 17558105049 = 151192^2 + 132507^2 .

It is a cyclic number.

It is not a de Polignac number, because 40417125913 - 2¹⁷ = 40416994841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40417125013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696846970 + ... + 696847027.

It is an arithmetic number, because the mean of its divisors is an integer number (10452704985).

Almost surely, 2^40417125913 is an apocalyptic number.

It is an amenable number.

40417125913 is a deficient number, since it is larger than the sum of its proper divisors (1393694027).

40417125913 is a wasteful number, since it uses less digits than its factorization.

40417125913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393694026.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 40417125913 in words is "forty billion, four hundred seventeen million, one hundred twenty-five thousand, nine hundred thirteen".