40320412004220 has 96 divisors (see below), whose sum is σ = 115029850553856. Its totient is φ = 10550431315200.

The previous prime is 40320412004207. The next prime is 40320412004251. The reversal of 40320412004220 is 2240021402304.

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, 21529779 + ... + 23327498.

It is an arithmetic number, because the mean of its divisors is an integer number (1198227609936).

Almost surely, 2^{40320412004220} is an apocalyptic number.

It is an amenable number.

40320412004220 is an abundant number, since it is smaller than the sum of its proper divisors (74709438549636).

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

40320412004220 is a wasteful number, since it uses less digits than its factorization.

40320412004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44857571 (or 44857569 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40320412004220 its reverse (2240021402304), we get a palindrome (42560433406524).

The spelling of 40320412004220 in words is "forty trillion, three hundred twenty billion, four hundred twelve million, four thousand, two hundred twenty".