40512052 has 24 divisors (see below), whose sum is σ = 82355840. Its totient is φ = 17076960.

The previous prime is 40512049. The next prime is 40512067. The reversal of 40512052 is 25021504.

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, 10152 + ... + 13567.

Almost surely, 2^40512052 is an apocalyptic number.

It is an amenable number.

40512052 is an abundant number, since it is smaller than the sum of its proper divisors (41843788).

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

40512052 is a wasteful number, since it uses less digits than its factorization.

40512052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23791 (or 23789 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40512052 is about 6364.9078547926. The cubic root of 40512052 is about 343.4483338223.

Adding to 40512052 its reverse (25021504), we get a palindrome (65533556).

The spelling of 40512052 in words is "forty million, five hundred twelve thousand, fifty-two".