3435644163720 has 64 divisors (see below), whose sum is σ = 10403259001920. Its totient is φ = 907609420544.

The previous prime is 3435644163689. The next prime is 3435644163739. The reversal of 3435644163720 is 273614465343.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3435644163720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133773927 + ... + 133799606.

It is an arithmetic number, because the mean of its divisors is an integer number (162550921905).

Almost surely, 2^{3435644163720} is an apocalyptic number.

3435644163720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3435644163720 is an abundant number, since it is smaller than the sum of its proper divisors (6967614838200).

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

3435644163720 is a wasteful number, since it uses less digits than its factorization.

3435644163720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267573654 (or 267573650 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 3435644163720 in words is "three trillion, four hundred thirty-five billion, six hundred forty-four million, one hundred sixty-three thousand, seven hundred twenty".