40520405542 has 8 divisors (see below), whose sum is σ = 60849445176. Its totient is φ = 20237257152.

The previous prime is 40520405507. The next prime is 40520405543. The reversal of 40520405542 is 24550402504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40520405543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11470603 + ... + 11474134.

It is an arithmetic number, because the mean of its divisors is an integer number (7606180647).

Almost surely, 2^40520405542 is an apocalyptic number.

40520405542 is a deficient number, since it is larger than the sum of its proper divisors (20329039634).

40520405542 is a wasteful number, since it uses less digits than its factorization.

40520405542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22945622.

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 40520405542 in words is "forty billion, five hundred twenty million, four hundred five thousand, five hundred forty-two".