4040021422080 has 2912 divisors, whose sum is σ = 18151906037760. Its totient is φ = 842764124160.

The previous prime is 4040021422057. The next prime is 4040021422081. The reversal of 4040021422080 is 802241200404.

4040021422080 is a `hidden beast` number, since 40 + 400 + 2 + 14 + 2 + 208 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040021422081) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 93953986539 + ... + 93953986581.

Almost surely, 2^{4040021422080} is an apocalyptic number.

4040021422080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040021422080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9075953018880).

4040021422080 is an abundant number, since it is smaller than the sum of its proper divisors (14111884615680).

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

4040021422080 is an equidigital number, since it uses as much as digits as its factorization.

4040021422080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4040021422080 its reverse (802241200404), we get a palindrome (4842262622484).

The spelling of 4040021422080 in words is "four trillion, forty billion, twenty-one million, four hundred twenty-two thousand, eighty".