40220442000 has 160 divisors (see below), whose sum is σ = 144078754560. Its totient is φ = 10725436800.

The previous prime is 40220441999. The next prime is 40220442043. The reversal of 40220442000 is 24402204.

40220442000 is a `hidden beast` number, since 4 + 0 + 220 + 442 + 0 + 0 + 0 = 666.

40220442000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 318412 + ... + 426411.

It is an arithmetic number, because the mean of its divisors is an integer number (900492216).

Almost surely, 2^40220442000 is an apocalyptic number.

40220442000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40220442000 is an abundant number, since it is smaller than the sum of its proper divisors (103858312560).

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

40220442000 is a wasteful number, since it uses less digits than its factorization.

40220442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744855 (or 744833 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 40220442000 its reverse (24402204), we get a palindrome (40244844204).

The spelling of 40220442000 in words is "forty billion, two hundred twenty million, four hundred forty-two thousand".