40189052 has 24 divisors (see below), whose sum is σ = 72013536. Its totient is φ = 19617728.

The previous prime is 40189049. The next prime is 40189129. The reversal of 40189052 is 25098104.

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, 61793 + ... + 62439.

It is an arithmetic number, because the mean of its divisors is an integer number (3000564).

Almost surely, 2^40189052 is an apocalyptic number.

It is an amenable number.

40189052 is a deficient number, since it is larger than the sum of its proper divisors (31824484).

40189052 is a wasteful number, since it uses less digits than its factorization.

40189052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 40189052 is about 6339.4835751818. The cubic root of 40189052 is about 342.5331333495.

The spelling of 40189052 in words is "forty million, one hundred eighty-nine thousand, fifty-two".