40450311420 has 48 divisors (see below), whose sum is σ = 116321983008. Its totient is φ = 10495215360.

The previous prime is 40450311337. The next prime is 40450311427. The reversal of 40450311420 is 2411305404.

40450311420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450311427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9108211 + ... + 9112650.

It is an arithmetic number, because the mean of its divisors is an integer number (2423374646).

Almost surely, 2^40450311420 is an apocalyptic number.

It is an amenable number.

40450311420 is an abundant number, since it is smaller than the sum of its proper divisors (75871671588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40450311420 is a wasteful number, since it uses less digits than its factorization.

40450311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18220910 (or 18220908 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40450311420 its reverse (2411305404), we get a palindrome (42861616824).

The spelling of 40450311420 in words is "forty billion, four hundred fifty million, three hundred eleven thousand, four hundred twenty".