40189460 has 24 divisors (see below), whose sum is σ = 84588000. Its totient is φ = 16039584.

The previous prime is 40189439. The next prime is 40189483. The reversal of 40189460 is 6498104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967 + ... + 11993.

It is an arithmetic number, because the mean of its divisors is an integer number (3524500).

Almost surely, 2^40189460 is an apocalyptic number.

It is an amenable number.

40189460 is an abundant number, since it is smaller than the sum of its proper divisors (44398540).

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

40189460 is a wasteful number, since it uses less digits than its factorization.

40189460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 40189460 is about 6339.5157543775. The cubic root of 40189460 is about 342.5342924799.

The spelling of 40189460 in words is "forty million, one hundred eighty-nine thousand, four hundred sixty".