40102352 has 10 divisors (see below), whose sum is σ = 77698338. Its totient is φ = 20051168.

The previous prime is 40102351. The next prime is 40102357. The reversal of 40102352 is 25320104.

40102352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38241856 + 1860496 = 6184^2 + 1364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40102352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253183 + ... + 1253214.

Almost surely, 2^40102352 is an apocalyptic number.

It is an amenable number.

40102352 is a deficient number, since it is larger than the sum of its proper divisors (37595986).

40102352 is a wasteful number, since it uses less digits than its factorization.

40102352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506405 (or 2506399 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40102352 is about 6332.6417868059. The cubic root of 40102352 is about 342.2866399854.

Adding to 40102352 its reverse (25320104), we get a palindrome (65422456).

The spelling of 40102352 in words is "forty million, one hundred two thousand, three hundred fifty-two".