40102082 has 16 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 18773568.

The previous prime is 40102033. The next prime is 40102109. The reversal of 40102082 is 28020104.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 40102082.

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, 3803 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (4001400).

Almost surely, 2^40102082 is an apocalyptic number.

40102082 is a deficient number, since it is larger than the sum of its proper divisors (23920318).

40102082 is a wasteful number, since it uses less digits than its factorization.

40102082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40102082 is about 6332.6204686528. The cubic root of 40102082 is about 342.2858718043.

Adding to 40102082 its reverse (28020104), we get a palindrome (68122186).

The spelling of 40102082 in words is "forty million, one hundred two thousand, eighty-two".