40276646 has 8 divisors (see below), whose sum is σ = 62047920. Its totient is φ = 19594008.

The previous prime is 40276633. The next prime is 40276651. The reversal of 40276646 is 64667204.

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, 272066 + ... + 272213.

It is an arithmetic number, because the mean of its divisors is an integer number (7755990).

Almost surely, 2^40276646 is an apocalyptic number.

40276646 is a deficient number, since it is larger than the sum of its proper divisors (21771274).

40276646 is a wasteful number, since it uses less digits than its factorization.

40276646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544318.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40276646 is about 6346.3884217719. The cubic root of 40276646 is about 342.7818086634.

The spelling of 40276646 in words is "forty million, two hundred seventy-six thousand, six hundred forty-six".