40159800 has 240 divisors, whose sum is σ = 145388760. Its totient is φ = 10264320.

The previous prime is 40159793. The next prime is 40159811. The reversal of 40159800 is 895104.

It is a super-2 number, since 2×40159800² = 3225619072080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 599367 + ... + 599433.

Almost surely, 2^40159800 is an apocalyptic number.

40159800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40159800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72694380).

40159800 is an abundant number, since it is smaller than the sum of its proper divisors (105228960).

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

40159800 is a wasteful number, since it uses less digits than its factorization.

40159800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 40159800 is about 6337.1760272222. The cubic root of 40159800 is about 342.4500077992.

The spelling of 40159800 in words is "forty million, one hundred fifty-nine thousand, eight hundred".