40020101530 has 8 divisors (see below), whose sum is σ = 72036182772. Its totient is φ = 16008040608.

The previous prime is 40020101507. The next prime is 40020101533. The reversal of 40020101530 is 3510102004.

It can be written as a sum of positive squares in 2 ways, for example, as 36423340801 + 3596760729 = 190849^2 + 59973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40020101533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001005067 + ... + 2001005086.

Almost surely, 2^40020101530 is an apocalyptic number.

40020101530 is a deficient number, since it is larger than the sum of its proper divisors (32016081242).

40020101530 is a wasteful number, since it uses less digits than its factorization.

40020101530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002010160.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 40020101530 its reverse (3510102004), we get a palindrome (43530203534).

The spelling of 40020101530 in words is "forty billion, twenty million, one hundred one thousand, five hundred thirty".