40858327830 has 64 divisors (see below), whose sum is σ = 99654686208. Its totient is φ = 10719459840.

The previous prime is 40858327801. The next prime is 40858327843. The reversal of 40858327830 is 3872385804.

It is a self number, because there is not a number n which added to its sum of digits gives 40858327830.

It is a congruent number.

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, 566047 + ... + 634133.

It is an arithmetic number, because the mean of its divisors is an integer number (1557104472).

Almost surely, 2^40858327830 is an apocalyptic number.

40858327830 is an abundant number, since it is smaller than the sum of its proper divisors (58796358378).

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

40858327830 is a wasteful number, since it uses less digits than its factorization.

40858327830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68421.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 40858327830 in words is "forty billion, eight hundred fifty-eight million, three hundred twenty-seven thousand, eight hundred thirty".