40678654 has 8 divisors (see below), whose sum is σ = 64607328. Its totient is φ = 19142880.

The previous prime is 40678633. The next prime is 40678667. The reversal of 40678654 is 45687604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598182 + ... + 598249.

It is an arithmetic number, because the mean of its divisors is an integer number (8075916).

Almost surely, 2^40678654 is an apocalyptic number.

40678654 is a deficient number, since it is larger than the sum of its proper divisors (23928674).

40678654 is a wasteful number, since it uses less digits than its factorization.

40678654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196450.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 40678654 is about 6377.9819692439. The cubic root of 40678654 is about 343.9184895664.

It can be divided in two parts, 4067 and 8654, that added together give a palindrome (12721).

The spelling of 40678654 in words is "forty million, six hundred seventy-eight thousand, six hundred fifty-four".