40321420002 has 32 divisors (see below), whose sum is σ = 89623680960. Its totient is φ = 13437394560.

The previous prime is 40321419973. The next prime is 40321420021. The reversal of 40321420002 is 20002412304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158802 + ... + 325362.

It is an arithmetic number, because the mean of its divisors is an integer number (2800740030).

Almost surely, 2^40321420002 is an apocalyptic number.

40321420002 is an abundant number, since it is smaller than the sum of its proper divisors (49302260958).

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

40321420002 is a wasteful number, since it uses less digits than its factorization.

40321420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171055 (or 171049 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40321420002 its reverse (20002412304), we get a palindrome (60323832306).

The spelling of 40321420002 in words is "forty billion, three hundred twenty-one million, four hundred twenty thousand, two".