2645483801550 has 96 divisors (see below), whose sum is σ = 6880456051200. Its totient is φ = 671398992000.

The previous prime is 2645483801503. The next prime is 2645483801551. The reversal of 2645483801550 is 551083845462.

It is a junction number, because it is equal to n+sod(n) for n = 2645483801493 and 2645483801502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645483801551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1240101 + ... + 2613200.

It is an arithmetic number, because the mean of its divisors is an integer number (71671417200).

Almost surely, 2^{2645483801550} is an apocalyptic number.

2645483801550 is an abundant number, since it is smaller than the sum of its proper divisors (4234972249650).

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

2645483801550 is a wasteful number, since it uses less digits than its factorization.

2645483801550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853538 (or 3853533 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 2645483801550 in words is "two trillion, six hundred forty-five billion, four hundred eighty-three million, eight hundred one thousand, five hundred fifty".