40360006404 has 45 divisors (see below), whose sum is σ = 105518483301. Its totient is φ = 13452130080.

The previous prime is 40360006381. The next prime is 40360006409. The reversal of 40360006404 is 40460006304.

It is a happy number.

The square root of 40360006404 is 200898.

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., 870368004 + 39489638400 = 29502^2 + 198720^2 .

It is a super-2 number, since 2×40360006404² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40360006409) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3610584 + ... + 3621744.

Almost surely, 2^40360006404 is an apocalyptic number.

40360006404 is the 200898-th square number.

It is an amenable number.

40360006404 is an abundant number, since it is smaller than the sum of its proper divisors (65158476897).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40360006404 is an frugal number, since it uses more digits than its factorization.

40360006404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338 (or 11166 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

It can be divided in two parts, 4036000 and 6404, that added together give a palindrome (4042404).

The spelling of 40360006404 in words is "forty billion, three hundred sixty million, six thousand, four hundred four".