40052370 has 16 divisors (see below), whose sum is σ = 96125760. Its totient is φ = 10680624.

The previous prime is 40052359. The next prime is 40052387. The reversal of 40052370 is 7325004.

It is a happy 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, 667510 + ... + 667569.

It is an arithmetic number, because the mean of its divisors is an integer number (6007860).

Almost surely, 2^40052370 is an apocalyptic number.

40052370 is an abundant number, since it is smaller than the sum of its proper divisors (56073390).

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

40052370 is a wasteful number, since it uses less digits than its factorization.

40052370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335089.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 40052370 is about 6328.6941781066. The cubic root of 40052370 is about 342.1443766470.

Adding to 40052370 its reverse (7325004), we get a palindrome (47377374).

The spelling of 40052370 in words is "forty million, fifty-two thousand, three hundred seventy".