3400309656 has 24 divisors (see below), whose sum is σ = 9209172180. Its totient is φ = 1133436528.

The previous prime is 3400309639. The next prime is 3400309687. The reversal of 3400309656 is 6569030043.

3400309656 is a `hidden beast` number, since 340 + 0 + 309 + 6 + 5 + 6 = 666.

3400309656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3400309656.

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, 23613190 + ... + 23613333.

Almost surely, 2^3400309656 is an apocalyptic number.

3400309656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3400309656 is an abundant number, since it is smaller than the sum of its proper divisors (5808862524).

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

3400309656 is a wasteful number, since it uses less digits than its factorization.

3400309656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47226535 (or 47226528 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 3400309656 is about 58312.1741662922. The cubic root of 3400309656 is about 1503.7402446284.

Adding to 3400309656 its reverse (6569030043), we get a palindrome (9969339699).

The spelling of 3400309656 in words is "three billion, four hundred million, three hundred nine thousand, six hundred fifty-six".