4054642777550 has 48 divisors (see below), whose sum is σ = 7938815953200. Its totient is φ = 1536447398400.

The previous prime is 4054642777547. The next prime is 4054642777553. The reversal of 4054642777550 is 557772464504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4054642777547) and next prime (4054642777553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054642777553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47153996 + ... + 47239904.

It is an arithmetic number, because the mean of its divisors is an integer number (165391999025).

Almost surely, 2^{4054642777550} is an apocalyptic number.

4054642777550 is a deficient number, since it is larger than the sum of its proper divisors (3884173175650).

4054642777550 is a wasteful number, since it uses less digits than its factorization.

4054642777550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135621 (or 135616 counting only the distinct ones).

The product of its (nonzero) digits is 32928000, while the sum is 56.

The spelling of 4054642777550 in words is "four trillion, fifty-four billion, six hundred forty-two million, seven hundred seventy-seven thousand, five hundred fifty".