340402036 has 24 divisors (see below), whose sum is σ = 643399400. Its totient is φ = 156650112.

The previous prime is 340402019. The next prime is 340402063. The reversal of 340402036 is 630204043.

It can be written as a sum of positive squares in 4 ways, for example, as 44355600 + 296046436 = 6660^2 + 17206^2 .

It is a super-2 number, since 2×340402036² = 231747092225890592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340401998 and 340402016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8770 + ... + 27526.

Almost surely, 2^340402036 is an apocalyptic number.

It is an amenable number.

340402036 is a deficient number, since it is larger than the sum of its proper divisors (302997364).

340402036 is a wasteful number, since it uses less digits than its factorization.

340402036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19123 (or 19121 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340402036 is about 18449.9874254700. The cubic root of 340402036 is about 698.2281966389.

Adding to 340402036 its reverse (630204043), we get a palindrome (970606079).

The spelling of 340402036 in words is "three hundred forty million, four hundred two thousand, thirty-six".