40236830 has 16 divisors (see below), whose sum is σ = 72574704. Its totient is φ = 16061760.

The previous prime is 40236827. The next prime is 40236839. The reversal of 40236830 is 3863204.

It is a self number, because there is not a number n which added to its sum of digits gives 40236830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40236839) 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, 1349 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (4535919).

Almost surely, 2^40236830 is an apocalyptic number.

40236830 is a deficient number, since it is larger than the sum of its proper divisors (32337874).

40236830 is a wasteful number, since it uses less digits than its factorization.

40236830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40236830 is about 6343.2507439010. The cubic root of 40236830 is about 342.6688176236.

The spelling of 40236830 in words is "forty million, two hundred thirty-six thousand, eight hundred thirty".