40164000 has 96 divisors (see below), whose sum is σ = 131616576. Its totient is φ = 10707200.

The previous prime is 40163999. The next prime is 40164017. The reversal of 40164000 is 46104.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×40164000² = 3226293792000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 10327 + ... + 13673.

It is an arithmetic number, because the mean of its divisors is an integer number (1371006).

Almost surely, 2^40164000 is an apocalyptic number.

40164000 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 40164000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65808288).

40164000 is an abundant number, since it is smaller than the sum of its proper divisors (91452576).

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

40164000 is a wasteful number, since it uses less digits than its factorization.

40164000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40164000 is about 6337.5073964454. The cubic root of 40164000 is about 342.4619454408.

The spelling of 40164000 in words is "forty million, one hundred sixty-four thousand".