40020002130 has 32 divisors (see below), whose sum is σ = 96980517504. Its totient is φ = 10568388096.

The previous prime is 40020002063. The next prime is 40020002131. The reversal of 40020002130 is 3120002004.

It is not an unprimeable number, because it can be changed into a prime (40020002131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6472639 + ... + 6478818.

It is an arithmetic number, because the mean of its divisors is an integer number (3030641172).

Almost surely, 2^40020002130 is an apocalyptic number.

40020002130 is an abundant number, since it is smaller than the sum of its proper divisors (56960515374).

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

40020002130 is a wasteful number, since it uses less digits than its factorization.

40020002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951570.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 40020002130 its reverse (3120002004), we get a palindrome (43140004134).

The spelling of 40020002130 in words is "forty billion, twenty million, two thousand, one hundred thirty".