2645039154520 has 64 divisors (see below), whose sum is σ = 7159504492800. Its totient is φ = 859140535680.

The previous prime is 2645039154497. The next prime is 2645039154623. The reversal of 2645039154520 is 254519305462.

2645039154520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 248588586 + ... + 248599225.

It is an arithmetic number, because the mean of its divisors is an integer number (111867257700).

Almost surely, 2^{2645039154520} is an apocalyptic number.

2645039154520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645039154520 is an abundant number, since it is smaller than the sum of its proper divisors (4514465338280).

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

2645039154520 is a wasteful number, since it uses less digits than its factorization.

2645039154520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497187848 (or 497187844 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 2645039154520 in words is "two trillion, six hundred forty-five billion, thirty-nine million, one hundred fifty-four thousand, five hundred twenty".