40352021501 has 16 divisors (see below), whose sum is σ = 45009426816. Its totient is φ = 36166900000.

The previous prime is 40352021483. The next prime is 40352021539. The reversal of 40352021501 is 10512025304.

It is not a de Polignac number, because 40352021501 - 2¹⁰ = 40352020477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40352021561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119000 + ... + 308001.

It is an arithmetic number, because the mean of its divisors is an integer number (2813089176).

Almost surely, 2^40352021501 is an apocalyptic number.

It is an amenable number.

40352021501 is a deficient number, since it is larger than the sum of its proper divisors (4657405315).

40352021501 is an equidigital number, since it uses as much as digits as its factorization.

40352021501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427105 (or 427083 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 40352021501 its reverse (10512025304), we get a palindrome (50864046805).

The spelling of 40352021501 in words is "forty billion, three hundred fifty-two million, twenty-one thousand, five hundred one".