40988427 has 8 divisors (see below), whose sum is σ = 54682320. Its totient is φ = 27310080.

The previous prime is 40988413. The next prime is 40988429. The reversal of 40988427 is 72488904.

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

It is not a de Polignac number, because 40988427 - 2¹⁶ = 40922891 is a prime.

It is a super-2 number, since 2×40988427² = 3360102295868658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40988429) 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, 5527 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (6835290).

Almost surely, 2^40988427 is an apocalyptic number.

40988427 is a deficient number, since it is larger than the sum of its proper divisors (13693893).

40988427 is a wasteful number, since it uses less digits than its factorization.

40988427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 40988427 is about 6402.2204741793. The cubic root of 40988427 is about 344.7892769054.

The spelling of 40988427 in words is "forty million, nine hundred eighty-eight thousand, four hundred twenty-seven".