40133420 has 12 divisors (see below), whose sum is σ = 84280224. Its totient is φ = 16053360.

The previous prime is 40133417. The next prime is 40133449. The reversal of 40133420 is 2433104.

It is a super-2 number, since 2×40133420² = 3221382801792800, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1003316 + ... + 1003355.

It is an arithmetic number, because the mean of its divisors is an integer number (7023352).

Almost surely, 2^40133420 is an apocalyptic number.

It is an amenable number.

40133420 is an abundant number, since it is smaller than the sum of its proper divisors (44146804).

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

40133420 is a wasteful number, since it uses less digits than its factorization.

40133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006680 (or 2006678 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40133420 is about 6335.0943165828. The cubic root of 40133420 is about 342.3750090030.

Adding to 40133420 its reverse (2433104), we get a palindrome (42566524).

The spelling of 40133420 in words is "forty million, one hundred thirty-three thousand, four hundred twenty".