40215334545 has 64 divisors (see below), whose sum is σ = 75317894400. Its totient is φ = 20302824960.

The previous prime is 40215334483. The next prime is 40215334547. The reversal of 40215334545 is 54543351204.

40215334545 is a `hidden beast` number, since 40 + 2 + 1 + 533 + 45 + 45 = 666.

It is not a de Polignac number, because 40215334545 - 2¹¹ = 40215332497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40215334547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3536589 + ... + 3547941.

It is an arithmetic number, because the mean of its divisors is an integer number (1176842100).

Almost surely, 2^40215334545 is an apocalyptic number.

40215334545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40215334545 is a deficient number, since it is larger than the sum of its proper divisors (35102559855).

40215334545 is a wasteful number, since it uses less digits than its factorization.

40215334545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12767 (or 12761 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 40215334545 its reverse (54543351204), we get a palindrome (94758685749).

The spelling of 40215334545 in words is "forty billion, two hundred fifteen million, three hundred thirty-four thousand, five hundred forty-five".