40450201515 has 24 divisors (see below), whose sum is σ = 72531398160. Its totient is φ = 20829528384.

The previous prime is 40450201511. The next prime is 40450201531. The reversal of 40450201515 is 51510205404.

40450201515 is a `hidden beast` number, since 4 + 0 + 4 + 502 + 0 + 151 + 5 = 666.

40450201515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40450201515 - 2² = 40450201511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40450201511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15496857 + ... + 15499466.

It is an arithmetic number, because the mean of its divisors is an integer number (3022141590).

Almost surely, 2^40450201515 is an apocalyptic number.

40450201515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40450201515 is a deficient number, since it is larger than the sum of its proper divisors (32081196645).

40450201515 is a wasteful number, since it uses less digits than its factorization.

40450201515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30996363 (or 30996360 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 40450201515 its reverse (51510205404), we get a palindrome (91960406919).

The spelling of 40450201515 in words is "forty billion, four hundred fifty million, two hundred one thousand, five hundred fifteen".