40621164489 has 12 divisors (see below), whose sum is σ = 58753995456. Its totient is φ = 27044323992.

The previous prime is 40621164443. The next prime is 40621164497. The reversal of 40621164489 is 98446112604.

40621164489 is a `hidden beast` number, since 4 + 0 + 6 + 2 + 1 + 164 + 489 = 666.

It is not a de Polignac number, because 40621164489 - 2¹¹ = 40621162441 is a prime.

It is a super-2 number, since 2×40621164489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40621164499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3030637 + ... + 3044010.

It is an arithmetic number, because the mean of its divisors is an integer number (4896166288).

Almost surely, 2^40621164489 is an apocalyptic number.

It is an amenable number.

40621164489 is a deficient number, since it is larger than the sum of its proper divisors (18132830967).

40621164489 is a wasteful number, since it uses less digits than its factorization.

40621164489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075396 (or 6075393 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 40621164489 in words is "forty billion, six hundred twenty-one million, one hundred sixty-four thousand, four hundred eighty-nine".