40421415899215 has 48 divisors (see below), whose sum is σ = 52767588851712. Its totient is φ = 29711225561472.

The previous prime is 40421415899213. The next prime is 40421415899231. The reversal of 40421415899215 is 51299851412404.

It is not a de Polignac number, because 40421415899215 - 2¹ = 40421415899213 is a prime.

It is a super-2 number, since 2×40421415899215² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421415899213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1670087304 + ... + 1670111506.

It is an arithmetic number, because the mean of its divisors is an integer number (1099324767744).

Almost surely, 2^{40421415899215} is an apocalyptic number.

40421415899215 is a deficient number, since it is larger than the sum of its proper divisors (12346172952497).

40421415899215 is a wasteful number, since it uses less digits than its factorization.

40421415899215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33320 (or 33307 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 40421415899215 in words is "forty trillion, four hundred twenty-one billion, four hundred fifteen million, eight hundred ninety-nine thousand, two hundred fifteen".