2641546035640 has 128 divisors (see below), whose sum is σ = 6518284254720. Its totient is φ = 959098060800.

The previous prime is 2641546035637. The next prime is 2641546035643. The reversal of 2641546035640 is 465306451462.

It is an interprime number because it is at equal distance from previous prime (2641546035637) and next prime (2641546035643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641546035643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5962600 + ... + 6390280.

It is an arithmetic number, because the mean of its divisors is an integer number (50924095740).

Almost surely, 2^{2641546035640} is an apocalyptic number.

2641546035640 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 2641546035640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3259142127360).

2641546035640 is an abundant number, since it is smaller than the sum of its proper divisors (3876738219080).

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

2641546035640 is a wasteful number, since it uses less digits than its factorization.

2641546035640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428033 (or 428029 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 2641546035640 in words is "two trillion, six hundred forty-one billion, five hundred forty-six million, thirty-five thousand, six hundred forty".