40120455043 has 32 divisors (see below), whose sum is σ = 44393356800. Its totient is φ = 36110624256.

The previous prime is 40120455029. The next prime is 40120455049. The reversal of 40120455043 is 34055402104.

It is a cyclic number.

It is not a de Polignac number, because 40120455043 - 2¹³ = 40120446851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40120455049) 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, 9248571 + ... + 9252907.

It is an arithmetic number, because the mean of its divisors is an integer number (1387292400).

Almost surely, 2^40120455043 is an apocalyptic number.

40120455043 is a deficient number, since it is larger than the sum of its proper divisors (4272901757).

40120455043 is a wasteful number, since it uses less digits than its factorization.

40120455043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 40120455043 its reverse (34055402104), we get a palindrome (74175857147).

The spelling of 40120455043 in words is "forty billion, one hundred twenty million, four hundred fifty-five thousand, forty-three".