40312254 has 16 divisors (see below), whose sum is σ = 80706960. Its totient is φ = 13423680.

The previous prime is 40312241. The next prime is 40312271. The reversal of 40312254 is 45221304.

It is a self number, because there is not a number n which added to its sum of digits gives 40312254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242 + ... + 9930.

It is an arithmetic number, because the mean of its divisors is an integer number (5044185).

Almost surely, 2^40312254 is an apocalyptic number.

40312254 is an abundant number, since it is smaller than the sum of its proper divisors (40394706).

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

40312254 is a wasteful number, since it uses less digits than its factorization.

40312254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40312254 is about 6349.1931770895. The cubic root of 40312254 is about 342.8827950549.

Adding to 40312254 its reverse (45221304), we get a palindrome (85533558).

The spelling of 40312254 in words is "forty million, three hundred twelve thousand, two hundred fifty-four".