40511201420 has 24 divisors (see below), whose sum is σ = 88007094000. Its totient is φ = 15645705152.

The previous prime is 40511201369. The next prime is 40511201429. The reversal of 40511201420 is 2410211504.

It is a happy number.

40511201420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40511201392 and 40511201401.

It is not an unprimeable number, because it can be changed into a prime (40511201429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34922870 + ... + 34924029.

It is an arithmetic number, because the mean of its divisors is an integer number (3666962250).

Almost surely, 2^40511201420 is an apocalyptic number.

It is an amenable number.

40511201420 is an abundant number, since it is smaller than the sum of its proper divisors (47495892580).

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

40511201420 is a wasteful number, since it uses less digits than its factorization.

40511201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69846937 (or 69846935 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 40511201420 its reverse (2410211504), we get a palindrome (42921412924).

The spelling of 40511201420 in words is "forty billion, five hundred eleven million, two hundred one thousand, four hundred twenty".