40300221420 has 144 divisors (see below), whose sum is σ = 135062665920. Its totient is φ = 9674784768.

The previous prime is 40300221419. The next prime is 40300221431. The reversal of 40300221420 is 2412200304.

40300221420 is a `hidden beast` number, since 403 + 0 + 0 + 221 + 42 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 40300221393 and 40300221402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215925 + ... + 356684.

It is an arithmetic number, because the mean of its divisors is an integer number (937935180).

Almost surely, 2^40300221420 is an apocalyptic number.

It is an amenable number.

40300221420 is an abundant number, since it is smaller than the sum of its proper divisors (94762444500).

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

40300221420 is a wasteful number, since it uses less digits than its factorization.

40300221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572664 (or 572659 counting only the distinct ones).

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

Adding to 40300221420 its reverse (2412200304), we get a palindrome (42712421724).

The spelling of 40300221420 in words is "forty billion, three hundred million, two hundred twenty-one thousand, four hundred twenty".