40621516 has 18 divisors (see below), whose sum is σ = 76977852. Its totient is φ = 18748080.

The previous prime is 40621463. The next prime is 40621549. The reversal of 40621516 is 61512604.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29370 + ... + 30721.

Almost surely, 2^40621516 is an apocalyptic number.

It is an amenable number.

40621516 is a deficient number, since it is larger than the sum of its proper divisors (36356336).

40621516 is a wasteful number, since it uses less digits than its factorization.

40621516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60121 (or 60106 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 40621516 is about 6373.5010786851. The cubic root of 40621516 is about 343.7573893288.

The spelling of 40621516 in words is "forty million, six hundred twenty-one thousand, five hundred sixteen".