3506630261640 has 64 divisors (see below), whose sum is σ = 11476244496960. Its totient is φ = 850092184320.

The previous prime is 3506630261599. The next prime is 3506630261677. The reversal of 3506630261640 is 461620366053.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3506630261592 and 3506630261601.

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, 1328267719 + ... + 1328270358.

It is an arithmetic number, because the mean of its divisors is an integer number (179316320265).

Almost surely, 2^{3506630261640} is an apocalyptic number.

3506630261640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3506630261640 is an abundant number, since it is smaller than the sum of its proper divisors (7969614235320).

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

3506630261640 is a wasteful number, since it uses less digits than its factorization.

3506630261640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656538102 (or 2656538098 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 3506630261640 in words is "three trillion, five hundred six billion, six hundred thirty million, two hundred sixty-one thousand, six hundred forty".