40474599489 has 9 divisors (see below), whose sum is σ = 58464182179. Its totient is φ = 26982663960.

The previous prime is 40474599479. The next prime is 40474599493. The reversal of 40474599489 is 98499547404.

The square root of 40474599489 is 201183.

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

It can be written as a sum of positive squares in only one way, i.e., 13506391089 + 26968208400 = 116217^2 + 164220^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 40474599489 - 2¹⁵ = 40474566721 is a prime.

It is a super-2 number, since 2×40474599489² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40474599419) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 570019 + ... + 637079.

Almost surely, 2^40474599489 is an apocalyptic number.

40474599489 is the 201183-rd square number.

40474599489 is the 100592-nd centered octagonal number.

It is an amenable number.

40474599489 is a deficient number, since it is larger than the sum of its proper divisors (17989582690).

40474599489 is an frugal number, since it uses more digits than its factorization.

40474599489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134128 (or 67064 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 40474599489 in words is "forty billion, four hundred seventy-four million, five hundred ninety-nine thousand, four hundred eighty-nine".