385405738902 has 40 divisors (see below), whose sum is σ = 863845983000. Its totient is φ = 128431145376.

The previous prime is 385405738867. The next prime is 385405738933. The reversal of 385405738902 is 209837504583.

385405738902 is a `hidden beast` number, since 3 + 8 + 540 + 5 + 7 + 3 + 8 + 90 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213849 + ... + 903627.

It is an arithmetic number, because the mean of its divisors is an integer number (21596149575).

Almost surely, 2^385405738902 is an apocalyptic number.

385405738902 is an abundant number, since it is smaller than the sum of its proper divisors (478440244098).

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

385405738902 is a wasteful number, since it uses less digits than its factorization.

385405738902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693242 (or 693233 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 385405738902 in words is "three hundred eighty-five billion, four hundred five million, seven hundred thirty-eight thousand, nine hundred two".