40221111203430 has 64 divisors (see below), whose sum is σ = 96918636181248. Its totient is φ = 10682524944000.

The previous prime is 40221111203417. The next prime is 40221111203447. The reversal of 40221111203430 is 3430211112204.

It is a super-3 number, since 3×40221111203430³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40221111203430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265861389 + ... + 266012631.

It is an arithmetic number, because the mean of its divisors is an integer number (1514353690332).

Almost surely, 2^{40221111203430} is an apocalyptic number.

40221111203430 is an abundant number, since it is smaller than the sum of its proper divisors (56697524977818).

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

40221111203430 is a wasteful number, since it uses less digits than its factorization.

40221111203430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186821.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 40221111203430 its reverse (3430211112204), we get a palindrome (43651322315634).

The spelling of 40221111203430 in words is "forty trillion, two hundred twenty-one billion, one hundred eleven million, two hundred three thousand, four hundred thirty".