40887634 has 8 divisors (see below), whose sum is σ = 61964028. Its totient is φ = 20232960.

The previous prime is 40887631. The next prime is 40887653. The reversal of 40887634 is 43678804.

It can be written as a sum of positive squares in 2 ways, for example, as 40640625 + 247009 = 6375^2 + 497^2 .

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

It is a super-2 number, since 2×40887634² = 3343597228235912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40887631) 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, 105187 + ... + 105574.

Almost surely, 2^40887634 is an apocalyptic number.

40887634 is a deficient number, since it is larger than the sum of its proper divisors (21076394).

40887634 is a wasteful number, since it uses less digits than its factorization.

40887634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210860.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 40887634 is about 6394.3439069227. The cubic root of 40887634 is about 344.5064257598.

The spelling of 40887634 in words is "forty million, eight hundred eighty-seven thousand, six hundred thirty-four".