377820438242 has 24 divisors (see below), whose sum is σ = 622058290644. Its totient is φ = 171088467264.

The previous prime is 377820438227. The next prime is 377820438253. The reversal of 377820438242 is 242834028773.

It is a Cunningham number, because it is equal to 614671²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 73744290481 + 304076147761 = 271559^2 + 551431^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2513573 + ... + 2659640.

Almost surely, 2^377820438242 is an apocalyptic number.

377820438242 is a deficient number, since it is larger than the sum of its proper divisors (244237852402).

377820438242 is a wasteful number, since it uses less digits than its factorization.

377820438242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173334 (or 5173281 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 377820438242 in words is "three hundred seventy-seven billion, eight hundred twenty million, four hundred thirty-eight thousand, two hundred forty-two".