2638741550 has 48 divisors (see below), whose sum is σ = 5076987552. Its totient is φ = 1019673600.

The previous prime is 2638741531. The next prime is 2638741583. The reversal of 2638741550 is 551478362.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 2638741498 and 2638741507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204902 + ... + 217398.

It is an arithmetic number, because the mean of its divisors is an integer number (105770574).

Almost surely, 2^2638741550 is an apocalyptic number.

2638741550 is a deficient number, since it is larger than the sum of its proper divisors (2438246002).

2638741550 is a wasteful number, since it uses less digits than its factorization.

2638741550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12653 (or 12648 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2638741550 is about 51368.6825799533. The cubic root of 2638741550 is about 1381.8650044795.

The spelling of 2638741550 in words is "two billion, six hundred thirty-eight million, seven hundred forty-one thousand, five hundred fifty".