40621154 has 16 divisors (see below), whose sum is σ = 71256768. Its totient is φ = 17003952.

The previous prime is 40621121. The next prime is 40621223. The reversal of 40621154 is 45112604.

40621154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33137 + ... + 34340.

It is an arithmetic number, because the mean of its divisors is an integer number (4453548).

Almost surely, 2^40621154 is an apocalyptic number.

40621154 is a deficient number, since it is larger than the sum of its proper divisors (30635614).

40621154 is a wasteful number, since it uses less digits than its factorization.

40621154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67529.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40621154 is about 6373.4726797877. The cubic root of 40621154 is about 343.7563681906.

Adding to 40621154 its reverse (45112604), we get a palindrome (85733758).

The spelling of 40621154 in words is "forty million, six hundred twenty-one thousand, one hundred fifty-four".