40054369 has 8 divisors (see below), whose sum is σ = 40879080. Its totient is φ = 39235200.

The previous prime is 40054351. The next prime is 40054373. The reversal of 40054369 is 96345004.

It can be written as a sum of positive squares in 4 ways, for example, as 6275025 + 33779344 = 2505^2 + 5812^2 .

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

It is not a de Polignac number, because 40054369 - 2⁷ = 40054241 is a prime.

It is a super-2 number, since 2×40054369² = 3208704951976322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40054369.

It is not an unprimeable number, because it can be changed into a prime (40054309) 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, 15189 + ... + 17629.

It is an arithmetic number, because the mean of its divisors is an integer number (5109885).

Almost surely, 2^40054369 is an apocalyptic number.

It is an amenable number.

40054369 is a deficient number, since it is larger than the sum of its proper divisors (824711).

40054369 is a wasteful number, since it uses less digits than its factorization.

40054369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40054369 is about 6328.8521076100. The cubic root of 40054369 is about 342.1500686550.

The spelling of 40054369 in words is "forty million, fifty-four thousand, three hundred sixty-nine".