4040021402304 has 224 divisors, whose sum is σ = 11318056957440. Its totient is φ = 1269295104000.

The previous prime is 4040021402279. The next prime is 4040021402321. The reversal of 4040021402304 is 4032041200404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 94087912 + ... + 94130840.

Almost surely, 2^{4040021402304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040021402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5659028478720).

4040021402304 is an abundant number, since it is smaller than the sum of its proper divisors (7278035555136).

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

4040021402304 is a wasteful number, since it uses less digits than its factorization.

4040021402304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43279 (or 43269 counting only the distinct ones).

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

Adding to 4040021402304 its reverse (4032041200404), we get a palindrome (8072062602708).

The spelling of 4040021402304 in words is "four trillion, forty billion, twenty-one million, four hundred two thousand, three hundred four".