40013254215 has 48 divisors (see below), whose sum is σ = 78951075840. Its totient is φ = 18556866240.

The previous prime is 40013254199. The next prime is 40013254219. The reversal of 40013254215 is 51245231004.

40013254215 is a `hidden beast` number, since 400 + 1 + 3 + 254 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 40013254215 - 2⁴ = 40013254199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013254219) 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, 1745895 + ... + 1768664.

It is an arithmetic number, because the mean of its divisors is an integer number (1644814080).

Almost surely, 2^40013254215 is an apocalyptic number.

40013254215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40013254215 is a deficient number, since it is larger than the sum of its proper divisors (38937821625).

40013254215 is a wasteful number, since it uses less digits than its factorization.

40013254215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514604 (or 3514601 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 40013254215 its reverse (51245231004), we get a palindrome (91258485219).

The spelling of 40013254215 in words is "forty billion, thirteen million, two hundred fifty-four thousand, two hundred fifteen".