40281020022 has 64 divisors (see below), whose sum is σ = 86546202624. Its totient is φ = 12454041600.

The previous prime is 40281020009. The next prime is 40281020041. The reversal of 40281020022 is 22002018204.

It is a happy number.

It is a congruent number.

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, 1945758 + ... + 1966350.

It is an arithmetic number, because the mean of its divisors is an integer number (1352284416).

Almost surely, 2^40281020022 is an apocalyptic number.

40281020022 is an abundant number, since it is smaller than the sum of its proper divisors (46265182602).

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

40281020022 is a wasteful number, since it uses less digits than its factorization.

40281020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20893.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40281020022 its reverse (22002018204), we get a palindrome (62283038226).

The spelling of 40281020022 in words is "forty billion, two hundred eighty-one million, twenty thousand, twenty-two".