40236402 has 8 divisors (see below), whose sum is σ = 80472816. Its totient is φ = 13412132.

The previous prime is 40236397. The next prime is 40236409. The reversal of 40236402 is 20463204.

It is a sphenic number, since it is the product of 3 distinct primes.

40236402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40236409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353028 + ... + 3353039.

It is an arithmetic number, because the mean of its divisors is an integer number (10059102).

Almost surely, 2^40236402 is an apocalyptic number.

40236402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40236402 is a wasteful number, since it uses less digits than its factorization.

40236402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706072.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40236402 is about 6343.2170071660. The cubic root of 40236402 is about 342.6676026275.

Adding to 40236402 its reverse (20463204), we get a palindrome (60699606).

The spelling of 40236402 in words is "forty million, two hundred thirty-six thousand, four hundred two".