22040421463464 has 32 divisors (see below), whose sum is σ = 55102662021120. Its totient is φ = 7346592706176.

The previous prime is 22040421463433. The next prime is 22040421463469. The reversal of 22040421463464 is 46436412404022.

It is not an unprimeable number, because it can be changed into a prime (22040421463469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12562597 + ... + 14209140.

It is an arithmetic number, because the mean of its divisors is an integer number (1721958188160).

Almost surely, 2^{22040421463464} is an apocalyptic number.

22040421463464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22040421463464 is an abundant number, since it is smaller than the sum of its proper divisors (33062240557656).

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

22040421463464 is a wasteful number, since it uses less digits than its factorization.

22040421463464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26806049 (or 26806045 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

Adding to 22040421463464 its reverse (46436412404022), we get a palindrome (68476833867486).

The spelling of 22040421463464 in words is "twenty-two trillion, forty billion, four hundred twenty-one million, four hundred sixty-three thousand, four hundred sixty-four".