40321024134420 has 96 divisors (see below), whose sum is σ = 113395141440000. Its totient is φ = 10705111807104.

The previous prime is 40321024134383. The next prime is 40321024134431. The reversal of 40321024134420 is 2443142012304.

It is a super-2 number, since 2×40321024134420² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10937787 + ... + 14151933.

It is an arithmetic number, because the mean of its divisors is an integer number (1181199390000).

Almost surely, 2^{40321024134420} is an apocalyptic number.

It is an amenable number.

40321024134420 is an abundant number, since it is smaller than the sum of its proper divisors (73074117305580).

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

40321024134420 is a wasteful number, since it uses less digits than its factorization.

40321024134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215077 (or 3215075 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40321024134420 its reverse (2443142012304), we get a palindrome (42764166146724).

The spelling of 40321024134420 in words is "forty trillion, three hundred twenty-one billion, twenty-four million, one hundred thirty-four thousand, four hundred twenty".