40222006642004 has 72 divisors (see below), whose sum is σ = 81466292509056. Its totient is φ = 17221746976000.

The previous prime is 40222006641991. The next prime is 40222006642007. The reversal of 40222006642004 is 40024660022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222006642007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11738492 + ... + 14772819.

It is an arithmetic number, because the mean of its divisors is an integer number (1131476284848).

Almost surely, 2^{40222006642004} is an apocalyptic number.

40222006642004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40222006642004 is an abundant number, since it is smaller than the sum of its proper divisors (41244285867052).

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

40222006642004 is a wasteful number, since it uses less digits than its factorization.

40222006642004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26511425 (or 26511394 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 40222006642004 its reverse (40024660022204), we get a palindrome (80246666664208).

The spelling of 40222006642004 in words is "forty trillion, two hundred twenty-two billion, six million, six hundred forty-two thousand, four".