40980738969 has 45 divisors (see below), whose sum is σ = 62194090629. Its totient is φ = 26891731080.

The previous prime is 40980738961. The next prime is 40980738983. The reversal of 40980738969 is 96983708904.

The square root of 40980738969 is 202437.

It is a perfect power (a square), and thus also a powerful number.

40980738969 is a `hidden beast` number, since 409 + 80 + 73 + 89 + 6 + 9 = 666.

It is not a de Polignac number, because 40980738969 - 2³ = 40980738961 is a prime.

It is a super-2 number, since 2×40980738969² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40980738961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 151220304 + ... + 151220574.

Almost surely, 2^40980738969 is an apocalyptic number.

40980738969 is the 202437-th square number.

40980738969 is the 101219-th centered octagonal number.

It is an amenable number.

40980738969 is a deficient number, since it is larger than the sum of its proper divisors (21213351660).

40980738969 is an frugal number, since it uses more digits than its factorization.

40980738969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 40980738969 in words is "forty billion, nine hundred eighty million, seven hundred thirty-eight thousand, nine hundred sixty-nine".