40213191858 has 192 divisors, whose sum is σ = 107197655040. Its totient is φ = 9771784704.

The previous prime is 40213191829. The next prime is 40213191871. The reversal of 40213191858 is 85819131204.

40213191858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112014283 + ... + 112014641.

It is an arithmetic number, because the mean of its divisors is an integer number (558321120).

Almost surely, 2^40213191858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40213191858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53598827520).

40213191858 is an abundant number, since it is smaller than the sum of its proper divisors (66984463182).

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

40213191858 is a wasteful number, since it uses less digits than its factorization.

40213191858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 40213191858 in words is "forty billion, two hundred thirteen million, one hundred ninety-one thousand, eight hundred fifty-eight".