40052152 has 32 divisors (see below), whose sum is σ = 90345600. Its totient is φ = 16261344.

The previous prime is 40052137. The next prime is 40052179. The reversal of 40052152 is 25125004.

It is a super-2 number, since 2×40052152² = 3208349759662208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 17758 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (2823300).

Almost surely, 2^40052152 is an apocalyptic number.

It is an amenable number.

40052152 is an abundant number, since it is smaller than the sum of its proper divisors (50293448).

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

40052152 is a wasteful number, since it uses less digits than its factorization.

40052152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37675 (or 37671 counting only the distinct ones).

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

The square root of 40052152 is about 6328.6769549409. The cubic root of 40052152 is about 342.1437558963.

Adding to 40052152 its reverse (25125004), we get a palindrome (65177156).

It can be divided in two parts, 40052 and 152, that added together give a palindrome (40204).

The spelling of 40052152 in words is "forty million, fifty-two thousand, one hundred fifty-two".