40130102 has 4 divisors (see below), whose sum is σ = 60195156. Its totient is φ = 20065050.

The previous prime is 40130093. The next prime is 40130107. The reversal of 40130102 is 20103104.

It is a happy number.

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

It is a super-2 number, since 2×40130102² = 3220850173060808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032524 + ... + 10032527.

It is an arithmetic number, because the mean of its divisors is an integer number (15048789).

Almost surely, 2^40130102 is an apocalyptic number.

40130102 is a deficient number, since it is larger than the sum of its proper divisors (20065054).

40130102 is a wasteful number, since it uses less digits than its factorization.

40130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065053.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40130102 is about 6334.8324366158. The cubic root of 40130102 is about 342.3655735451.

Adding to 40130102 its reverse (20103104), we get a palindrome (60233206).

It can be divided in two parts, 401 and 30102, that added together give a palindrome (30503).

The spelling of 40130102 in words is "forty million, one hundred thirty thousand, one hundred two".