40342121300 has 72 divisors (see below), whose sum is σ = 96055398936. Its totient is φ = 14614479360.

The previous prime is 40342121291. The next prime is 40342121321. The reversal of 40342121300 is 312124304.

40342121300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 16020471184 + 24321650116 = 126572^2 + 155954^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 223859 + ... + 361658.

It is an arithmetic number, because the mean of its divisors is an integer number (1334102763).

Almost surely, 2^40342121300 is an apocalyptic number.

It is an amenable number.

40342121300 is an abundant number, since it is smaller than the sum of its proper divisors (55713277636).

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

40342121300 is a wasteful number, since it uses less digits than its factorization.

40342121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585597 (or 585590 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40342121300 its reverse (312124304), we get a palindrome (40654245604).

The spelling of 40342121300 in words is "forty billion, three hundred forty-two million, one hundred twenty-one thousand, three hundred".