40502102 has 4 divisors (see below), whose sum is σ = 60753156. Its totient is φ = 20251050.

The previous prime is 40502101. The next prime is 40502107. The reversal of 40502102 is 20120504.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502101) by changing a digit.

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 as a sum of consecutive naturals, namely, 10125524 + ... + 10125527.

It is an arithmetic number, because the mean of its divisors is an integer number (15188289).

Almost surely, 2^40502102 is an apocalyptic number.

40502102 is a deficient number, since it is larger than the sum of its proper divisors (20251054).

40502102 is a wasteful number, since it uses less digits than its factorization.

40502102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251053.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 40502102 is about 6364.1261772532. The cubic root of 40502102 is about 343.4202138715.

Adding to 40502102 its reverse (20120504), we get a palindrome (60622606).

It can be divided in two parts, 40502 and 102, that added together give a palindrome (40604).

The spelling of 40502102 in words is "forty million, five hundred two thousand, one hundred two".