40273506 has 96 divisors (see below), whose sum is σ = 112170240. Its totient is φ = 10150272.

The previous prime is 40273477. The next prime is 40273517. The reversal of 40273506 is 60537204.

It is a happy number.

40273506 is nontrivially palindromic in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 40273506.

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 47 ways as a sum of consecutive naturals, for example, 37140 + ... + 38208.

It is an arithmetic number, because the mean of its divisors is an integer number (1168440).

Almost surely, 2^40273506 is an apocalyptic number.

40273506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40273506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56085120).

40273506 is an abundant number, since it is smaller than the sum of its proper divisors (71896734).

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

40273506 is a wasteful number, since it uses less digits than its factorization.

40273506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40273506 is about 6346.1410321549. The cubic root of 40273506 is about 342.7729005826.

The spelling of 40273506 in words is "forty million, two hundred seventy-three thousand, five hundred six".