385140078 has 24 divisors (see below), whose sum is σ = 853878168. Its totient is φ = 125394192.

The previous prime is 385140059. The next prime is 385140143. The reversal of 385140078 is 870041583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248025 + ... + 249572.

It is an arithmetic number, because the mean of its divisors is an integer number (35578257).

Almost surely, 2^385140078 is an apocalyptic number.

385140078 is an abundant number, since it is smaller than the sum of its proper divisors (468738090).

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

385140078 is a wasteful number, since it uses less digits than its factorization.

385140078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497648 (or 497645 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 385140078 is about 19624.9860636893. The cubic root of 385140078 is about 727.5668525379.

The spelling of 385140078 in words is "three hundred eighty-five million, one hundred forty thousand, seventy-eight".