40915228121513 has 8 divisors (see below), whose sum is σ = 43079183779200. Its totient is φ = 38752324723728.

The previous prime is 40915228121431. The next prime is 40915228121527. The reversal of 40915228121513 is 31512182251904.

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 40915228121513 - 2¹² = 40915228117417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40915228123513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262985153 + ... + 263140686.

It is an arithmetic number, because the mean of its divisors is an integer number (5384897972400).

Almost surely, 2^{40915228121513} is an apocalyptic number.

It is an amenable number.

40915228121513 is a deficient number, since it is larger than the sum of its proper divisors (2163955657687).

40915228121513 is a wasteful number, since it uses less digits than its factorization.

40915228121513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526129951.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 40915228121513 in words is "forty trillion, nine hundred fifteen billion, two hundred twenty-eight million, one hundred twenty-one thousand, five hundred thirteen".