40112130 has 16 divisors (see below), whose sum is σ = 96269184. Its totient is φ = 10696560.

The previous prime is 40112123. The next prime is 40112131. The reversal of 40112130 is 3121104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40112131) 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, 668506 + ... + 668565.

It is an arithmetic number, because the mean of its divisors is an integer number (6016824).

Almost surely, 2^40112130 is an apocalyptic number.

40112130 is an abundant number, since it is smaller than the sum of its proper divisors (56157054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40112130 is a wasteful number, since it uses less digits than its factorization.

40112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337081.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 40112130 is about 6333.4137714190. The cubic root of 40112130 is about 342.3144571965.

Adding to 40112130 its reverse (3121104), we get a palindrome (43233234).

The spelling of 40112130 in words is "forty million, one hundred twelve thousand, one hundred thirty".