340737040404 has 18 divisors (see below), whose sum is σ = 861307518890. Its totient is φ = 113579013456.

The previous prime is 340737040313. The next prime is 340737040411. The reversal of 340737040404 is 404040737043.

It can be written as a sum of positive squares in only one way, i.e., 208785024900 + 131952015504 = 456930^2 + 363252^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×340737040404² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9464917789 = 340737040404 / (3 + 4 + 0 + 7 + 3 + 7 + 0 + 4 + 0 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4732458859 + ... + 4732458930.

Almost surely, 2^340737040404 is an apocalyptic number.

It is an amenable number.

340737040404 is an abundant number, since it is smaller than the sum of its proper divisors (520570478486).

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

340737040404 is a wasteful number, since it uses less digits than its factorization.

340737040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464917799 (or 9464917794 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

Adding to 340737040404 its reverse (404040737043), we get a palindrome (744777777447).

The spelling of 340737040404 in words is "three hundred forty billion, seven hundred thirty-seven million, forty thousand, four hundred four".