40312111234020 has 96 divisors (see below), whose sum is σ = 117808574325120. Its totient is φ = 10289822499840.

The previous prime is 40312111234013. The next prime is 40312111234063. The reversal of 40312111234020 is 2043211121304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154464310 + ... + 154725069.

It is an arithmetic number, because the mean of its divisors is an integer number (1227172649220).

Almost surely, 2^{40312111234020} is an apocalyptic number.

It is an amenable number.

40312111234020 is an abundant number, since it is smaller than the sum of its proper divisors (77496463091100).

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

40312111234020 is a wasteful number, since it uses less digits than its factorization.

40312111234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309189485 (or 309189483 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 40312111234020 its reverse (2043211121304), we get a palindrome (42355322355324).

The spelling of 40312111234020 in words is "forty trillion, three hundred twelve billion, one hundred eleven million, two hundred thirty-four thousand, twenty".