40189002 has 16 divisors (see below), whose sum is σ = 91860672. Its totient is φ = 11482560.

The previous prime is 40188997. The next prime is 40189007. The reversal of 40189002 is 20098104.

It is an interprime number because it is at equal distance from previous prime (40188997) and next prime (40189007).

It is not an unprimeable number, because it can be changed into a prime (40189007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478399 + ... + 478482.

It is an arithmetic number, because the mean of its divisors is an integer number (5741292).

Almost surely, 2^40189002 is an apocalyptic number.

40189002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40189002 is an abundant number, since it is smaller than the sum of its proper divisors (51671670).

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

40189002 is a wasteful number, since it uses less digits than its factorization.

40189002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956893.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 40189002 is about 6339.4796316417. The cubic root of 40189002 is about 342.5329912987.

The spelling of 40189002 in words is "forty million, one hundred eighty-nine thousand, two".