40989518469 has 24 divisors (see below), whose sum is σ = 60033509952. Its totient is φ = 26945110080.

The previous prime is 40989518467. The next prime is 40989518483. The reversal of 40989518469 is 96481598904.

40989518469 is a `hidden beast` number, since 40 + 9 + 89 + 51 + 8 + 469 = 666.

It is not a de Polignac number, because 40989518469 - 2¹ = 40989518467 is a prime.

It is a super-2 number, since 2×40989518469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40989518467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4457094 + ... + 4466280.

It is an arithmetic number, because the mean of its divisors is an integer number (2501396248).

Almost surely, 2^40989518469 is an apocalyptic number.

It is an amenable number.

40989518469 is a deficient number, since it is larger than the sum of its proper divisors (19043991483).

40989518469 is a wasteful number, since it uses less digits than its factorization.

40989518469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16057 (or 16054 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 40989518469 in words is "forty billion, nine hundred eighty-nine million, five hundred eighteen thousand, four hundred sixty-nine".