36441840 has 40 divisors (see below), whose sum is σ = 112970448. Its totient is φ = 9717760.

The previous prime is 36441817. The next prime is 36441857. The reversal of 36441840 is 4814463.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36441798 and 36441807.

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 7 ways as a sum of consecutive naturals, for example, 75681 + ... + 76160.

Almost surely, 2^36441840 is an apocalyptic number.

36441840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36441840 is an abundant number, since it is smaller than the sum of its proper divisors (76528608).

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

36441840 is a wasteful number, since it uses less digits than its factorization.

36441840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151857 (or 151851 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 36441840 is about 6036.7077119900. The cubic root of 36441840 is about 331.5380908936.

The spelling of 36441840 in words is "thirty-six million, four hundred forty-one thousand, eight hundred forty".