40149226158 has 8 divisors (see below), whose sum is σ = 80298452328. Its totient is φ = 13383075384.

The previous prime is 40149226151. The next prime is 40149226163. The reversal of 40149226158 is 85162294104.

It is a sphenic number, since it is the product of 3 distinct primes.

40149226158 is an admirable number.

It is a super-2 number, since 2×40149226158² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40149226151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345768841 + ... + 3345768852.

It is an arithmetic number, because the mean of its divisors is an integer number (10037306541).

Almost surely, 2^40149226158 is an apocalyptic number.

40149226158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40149226158 is a wasteful number, since it uses less digits than its factorization.

40149226158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691537698.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 40149226158 in words is "forty billion, one hundred forty-nine million, two hundred twenty-six thousand, one hundred fifty-eight".