400220424040080 has 240 divisors, whose sum is σ = 1460632339422144. Its totient is φ = 90376797772800.

The previous prime is 400220424040033. The next prime is 400220424040081. The reversal of 400220424040080 is 80040424022004.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (400220424040081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204038071 + ... + 205990230.

Almost surely, 2^{400220424040080} is an apocalyptic number.

400220424040080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400220424040080 is an abundant number, since it is smaller than the sum of its proper divisors (1060411915382064).

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

400220424040080 is a wasteful number, since it uses less digits than its factorization.

400220424040080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410028414 (or 410028401 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 400220424040080 its reverse (80040424022004), we get a palindrome (480260848062084).

The spelling of 400220424040080 in words is "four hundred trillion, two hundred twenty billion, four hundred twenty-four million, forty thousand, eighty".