40221400430001 has 32 divisors (see below), whose sum is σ = 62206619950080. Its totient is φ = 22639855398336.

The previous prime is 40221400429997. The next prime is 40221400430017. The reversal of 40221400430001 is 10003400412204.

It is not a de Polignac number, because 40221400430001 - 2² = 40221400429997 is a prime.

It is a super-2 number, since 2×40221400430001² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40221400430001.

It is not an unprimeable number, because it can be changed into a prime (40221400430021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42696610 + ... + 43628468.

It is an arithmetic number, because the mean of its divisors is an integer number (1943956873440).

Almost surely, 2^{40221400430001} is an apocalyptic number.

It is an amenable number.

40221400430001 is a deficient number, since it is larger than the sum of its proper divisors (21985219520079).

40221400430001 is a wasteful number, since it uses less digits than its factorization.

40221400430001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962613.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40221400430001 its reverse (10003400412204), we get a palindrome (50224800842205).

The spelling of 40221400430001 in words is "forty trillion, two hundred twenty-one billion, four hundred million, four hundred thirty thousand, one".