40122021300 has 72 divisors (see below), whose sum is σ = 122915007936. Its totient is φ = 10069839360.

The previous prime is 40122021271. The next prime is 40122021311. The reversal of 40122021300 is 312022104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40122021300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3928432 + ... + 3938631.

It is an arithmetic number, because the mean of its divisors is an integer number (1707152888).

Almost surely, 2^40122021300 is an apocalyptic number.

It is an amenable number.

40122021300 is an abundant number, since it is smaller than the sum of its proper divisors (82792986636).

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

40122021300 is a wasteful number, since it uses less digits than its factorization.

40122021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867097 (or 7867090 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 40122021300 its reverse (312022104), we get a palindrome (40434043404).

The spelling of 40122021300 in words is "forty billion, one hundred twenty-two million, twenty-one thousand, three hundred".