40021213010 has 8 divisors (see below), whose sum is σ = 72038183436. Its totient is φ = 16008485200.

The previous prime is 40021212967. The next prime is 40021213013. The reversal of 40021213010 is 1031212004.

It can be written as a sum of positive squares in 2 ways, for example, as 40021202809 + 10201 = 200053^2 + 101^2 .

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

It is a super-3 number, since 3×40021213010³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40021213013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001060641 + ... + 2001060660.

Almost surely, 2^40021213010 is an apocalyptic number.

40021213010 is a deficient number, since it is larger than the sum of its proper divisors (32016970426).

40021213010 is a wasteful number, since it uses less digits than its factorization.

40021213010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002121308.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 40021213010 its reverse (1031212004), we get a palindrome (41052425014).

The spelling of 40021213010 in words is "forty billion, twenty-one million, two hundred thirteen thousand, ten".