40030102 has 16 divisors (see below), whose sum is σ = 68705280. Its totient is φ = 17135208.

The previous prime is 40030069. The next prime is 40030103. The reversal of 40030102 is 20103004.

It is a super-2 number, since 2×40030102² = 3204818132260808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19153 + ... + 21139.

It is an arithmetic number, because the mean of its divisors is an integer number (4294080).

Almost surely, 2^40030102 is an apocalyptic number.

40030102 is a deficient number, since it is larger than the sum of its proper divisors (28675178).

40030102 is a wasteful number, since it uses less digits than its factorization.

40030102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40030102 is about 6326.9346448339. The cubic root of 40030102 is about 342.0809573173.

Adding to 40030102 its reverse (20103004), we get a palindrome (60133106).

The spelling of 40030102 in words is "forty million, thirty thousand, one hundred two".