40678736 has 40 divisors (see below), whose sum is σ = 90482304. Its totient is φ = 17354880.

The previous prime is 40678733. The next prime is 40678741. The reversal of 40678736 is 63787604.

It is a junction number, because it is equal to n+sod(n) for n = 40678693 and 40678702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40678733) 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, 28766 + ... + 30146.

Almost surely, 2^40678736 is an apocalyptic number.

It is an amenable number.

40678736 is an abundant number, since it is smaller than the sum of its proper divisors (49803568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40678736 is a wasteful number, since it uses less digits than its factorization.

40678736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 40678736 is about 6377.9883976063. The cubic root of 40678736 is about 343.9187206564.

It can be divided in two parts, 40678 and 736, that added together give a palindrome (41414).

The spelling of 40678736 in words is "forty million, six hundred seventy-eight thousand, seven hundred thirty-six".