36401420 has 48 divisors (see below), whose sum is σ = 88306848. Its totient is φ = 12456960.

The previous prime is 36401411. The next prime is 36401423. The reversal of 36401420 is 2410463.

It is a happy number.

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 = 36401392 and 36401401.

It is not an unprimeable number, because it can be changed into a prime (36401423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (1839726).

Almost surely, 2^36401420 is an apocalyptic number.

It is an amenable number.

36401420 is an abundant number, since it is smaller than the sum of its proper divisors (51905428).

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

36401420 is a wasteful number, since it uses less digits than its factorization.

36401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770 (or 9768 counting only the distinct ones).

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

The square root of 36401420 is about 6033.3589318057. The cubic root of 36401420 is about 331.4154687717.

Adding to 36401420 its reverse (2410463), we get a palindrome (38811883).

The spelling of 36401420 in words is "thirty-six million, four hundred one thousand, four hundred twenty".