40578538146 has 16 divisors (see below), whose sum is σ = 85428501600. Its totient is φ = 12814275168.

The previous prime is 40578538103. The next prime is 40578538199. The reversal of 40578538146 is 64183587504.

40578538146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177975931 + ... + 177976158.

It is an arithmetic number, because the mean of its divisors is an integer number (5339281350).

Almost surely, 2^40578538146 is an apocalyptic number.

40578538146 is an abundant number, since it is smaller than the sum of its proper divisors (44849963454).

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

40578538146 is a wasteful number, since it uses less digits than its factorization.

40578538146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355952113.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 40578538146 in words is "forty billion, five hundred seventy-eight million, five hundred thirty-eight thousand, one hundred forty-six".