40155412513 has 16 divisors (see below), whose sum is σ = 44919463680. Its totient is φ = 35713705216.

The previous prime is 40155412489. The next prime is 40155412543. The reversal of 40155412513 is 31521455104.

It is a cyclic number.

It is not a de Polignac number, because 40155412513 - 2⁵ = 40155412481 is a prime.

It is a super-2 number, since 2×40155412513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40155412543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843331 + ... + 889672.

It is an arithmetic number, because the mean of its divisors is an integer number (2807466480).

Almost surely, 2^40155412513 is an apocalyptic number.

It is an amenable number.

40155412513 is a deficient number, since it is larger than the sum of its proper divisors (4764051167).

40155412513 is a wasteful number, since it uses less digits than its factorization.

40155412513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733096.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 40155412513 its reverse (31521455104), we get a palindrome (71676867617).

The spelling of 40155412513 in words is "forty billion, one hundred fifty-five million, four hundred twelve thousand, five hundred thirteen".