40222356672 has 28 divisors (see below), whose sum is σ = 106421652536. Its totient is φ = 13407452160.

The previous prime is 40222356661. The next prime is 40222356701. The reversal of 40222356672 is 27665322204.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40222356672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104745529 + ... + 104745912.

Almost surely, 2^40222356672 is an apocalyptic number.

It is an amenable number.

40222356672 is an abundant number, since it is smaller than the sum of its proper divisors (66199295864).

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

40222356672 is a wasteful number, since it uses less digits than its factorization.

40222356672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209491456 (or 209491446 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 40222356672 its reverse (27665322204), we get a palindrome (67887678876).

The spelling of 40222356672 in words is "forty billion, two hundred twenty-two million, three hundred fifty-six thousand, six hundred seventy-two".