40155850 has 48 divisors (see below), whose sum is σ = 88137216. Its totient is φ = 13320000.

The previous prime is 40155827. The next prime is 40155893. The reversal of 40155850 is 5855104.

40155850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40155850² = 3224984578445000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9000 + ... + 12700.

It is an arithmetic number, because the mean of its divisors is an integer number (1836192).

Almost surely, 2^40155850 is an apocalyptic number.

40155850 is an abundant number, since it is smaller than the sum of its proper divisors (47981366).

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

40155850 is a wasteful number, since it uses less digits than its factorization.

40155850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 40155850 is about 6336.8643665460. The cubic root of 40155850 is about 342.4387799720.

The spelling of 40155850 in words is "forty million, one hundred fifty-five thousand, eight hundred fifty".