40531354 has 16 divisors (see below), whose sum is σ = 62636616. Its totient is φ = 19656000.

The previous prime is 40531333. The next prime is 40531363. The reversal of 40531354 is 45313504.

It can be written as a sum of positive squares in 4 ways, for example, as 15800625 + 24730729 = 3975^2 + 4973^2 .

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, 30504 + ... + 31804.

Almost surely, 2^40531354 is an apocalyptic number.

40531354 is a deficient number, since it is larger than the sum of its proper divisors (22105262).

40531354 is a wasteful number, since it uses less digits than its factorization.

40531354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40531354 is about 6366.4239569793. The cubic root of 40531354 is about 343.5028705742.

Adding to 40531354 its reverse (45313504), we get a palindrome (85844858).

The spelling of 40531354 in words is "forty million, five hundred thirty-one thousand, three hundred fifty-four".