40020502334505 has 32 divisors (see below), whose sum is σ = 79833105957888. Its totient is φ = 16631897073600.

The previous prime is 40020502334503. The next prime is 40020502334581. The reversal of 40020502334505 is 50543320502004.

It is a happy number.

It is not a de Polignac number, because 40020502334505 - 2¹ = 40020502334503 is a prime.

It is a super-2 number, since 2×40020502334505² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40020502334503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17324891631 + ... + 17324893940.

It is an arithmetic number, because the mean of its divisors is an integer number (2494784561184).

Almost surely, 2^{40020502334505} is an apocalyptic number.

It is an amenable number.

40020502334505 is a deficient number, since it is larger than the sum of its proper divisors (39812603623383).

40020502334505 is a wasteful number, since it uses less digits than its factorization.

40020502334505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34649785597.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 40020502334505 its reverse (50543320502004), we get a palindrome (90563822836509).

The spelling of 40020502334505 in words is "forty trillion, twenty billion, five hundred two million, three hundred thirty-four thousand, five hundred five".