40728622 has 8 divisors (see below), whose sum is σ = 66646872. Its totient is φ = 18513000.

The previous prime is 40728619. The next prime is 40728631. The reversal of 40728622 is 22682704.

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, 925629 + ... + 925672.

It is an arithmetic number, because the mean of its divisors is an integer number (8330859).

Almost surely, 2^40728622 is an apocalyptic number.

40728622 is a deficient number, since it is larger than the sum of its proper divisors (25918250).

40728622 is a wasteful number, since it uses less digits than its factorization.

40728622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851314.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40728622 is about 6381.8979935439. The cubic root of 40728622 is about 344.0592504305.

The spelling of 40728622 in words is "forty million, seven hundred twenty-eight thousand, six hundred twenty-two".