40368554 has 8 divisors (see below), whose sum is σ = 62189508. Its totient is φ = 19638720.

The previous prime is 40368553. The next prime is 40368571. The reversal of 40368554 is 45586304.

It can be written as a sum of positive squares in 2 ways, for example, as 35724529 + 4644025 = 5977^2 + 2155^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40368553) 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, 272687 + ... + 272834.

Almost surely, 2^40368554 is an apocalyptic number.

40368554 is a deficient number, since it is larger than the sum of its proper divisors (21820954).

40368554 is a wasteful number, since it uses less digits than its factorization.

40368554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545560.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 40368554 is about 6353.6252643668. The cubic root of 40368554 is about 343.0423439069.

The spelling of 40368554 in words is "forty million, three hundred sixty-eight thousand, five hundred fifty-four".