40643462 has 8 divisors (see below), whose sum is σ = 61369392. Its totient is φ = 20187000.

The previous prime is 40643443. The next prime is 40643483. The reversal of 40643462 is 26434604.

It is a happy number.

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, 66989 + ... + 67592.

It is an arithmetic number, because the mean of its divisors is an integer number (7671174).

Almost surely, 2^40643462 is an apocalyptic number.

40643462 is a deficient number, since it is larger than the sum of its proper divisors (20725930).

40643462 is a wasteful number, since it uses less digits than its factorization.

40643462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134734.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 40643462 is about 6375.2225059209. Note that the first 3 decimals coincide. The cubic root of 40643462 is about 343.8192837978.

The spelling of 40643462 in words is "forty million, six hundred forty-three thousand, four hundred sixty-two".