2682921963840 has 112 divisors (see below), whose sum is σ = 8522150624448. Its totient is φ = 715120533504.

The previous prime is 2682921963809. The next prime is 2682921963847. The reversal of 2682921963840 is 483691292862.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2682921963847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480584 + ... + 2749176.

Almost surely, 2^{2682921963840} is an apocalyptic number.

2682921963840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2682921963840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4261075312224).

2682921963840 is an abundant number, since it is smaller than the sum of its proper divisors (5839228660608).

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

2682921963840 is a wasteful number, since it uses less digits than its factorization.

2682921963840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270816 (or 1270806 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 2682921963840 in words is "two trillion, six hundred eighty-two billion, nine hundred twenty-one million, nine hundred sixty-three thousand, eight hundred forty".