387242866550 has 48 divisors (see below), whose sum is σ = 763877738160. Its totient is φ = 145549071360.

The previous prime is 387242866463. The next prime is 387242866573. The reversal of 387242866550 is 55668242783.

It is a super-2 number, since 2×387242866550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155261 + ... + 893639.

It is an arithmetic number, because the mean of its divisors is an integer number (15914119545).

Almost surely, 2^387242866550 is an apocalyptic number.

387242866550 is a deficient number, since it is larger than the sum of its proper divisors (376634871610).

387242866550 is a wasteful number, since it uses less digits than its factorization.

387242866550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739025 (or 739020 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 387242866550 in words is "three hundred eighty-seven billion, two hundred forty-two million, eight hundred sixty-six thousand, five hundred fifty".