3402886779840 has 112 divisors (see below), whose sum is σ = 10805633305632. Its totient is φ = 907313197056.

The previous prime is 3402886779763. The next prime is 3402886779871. The reversal of 3402886779840 is 489776882043.

It is a congruent number.

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, 6940882 + ... + 7414958.

Almost surely, 2^{3402886779840} is an apocalyptic number.

3402886779840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3402886779840 is an abundant number, since it is smaller than the sum of its proper divisors (7402746525792).

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

3402886779840 is a wasteful number, since it uses less digits than its factorization.

3402886779840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481574 (or 481564 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 66.

The spelling of 3402886779840 in words is "three trillion, four hundred two billion, eight hundred eighty-six million, seven hundred seventy-nine thousand, eight hundred forty".