40628284 has 6 divisors (see below), whose sum is σ = 71099504. Its totient is φ = 20314140.

The previous prime is 40628267. The next prime is 40628293. The reversal of 40628284 is 48282604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078532 + ... + 5078539.

Almost surely, 2^40628284 is an apocalyptic number.

It is an amenable number.

40628284 is a deficient number, since it is larger than the sum of its proper divisors (30471220).

40628284 is a wasteful number, since it uses less digits than its factorization.

40628284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157075 (or 10157073 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 40628284 is about 6374.0320049400. The cubic root of 40628284 is about 343.7764795470.

The spelling of 40628284 in words is "forty million, six hundred twenty-eight thousand, two hundred eighty-four".