38405474298 has 20 divisors (see below), whose sum is σ = 86056711290. Its totient is φ = 12801824712.

The previous prime is 38405474293. The next prime is 38405474351. The reversal of 38405474298 is 89247450483.

38405474298 is a `hidden beast` number, since 3 + 8 + 4 + 0 + 547 + 4 + 2 + 98 = 666.

38405474298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32312579049 + 6092895249 = 179757^2 + 78057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38405474293) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 118535253 + ... + 118535576.

Almost surely, 2^38405474298 is an apocalyptic number.

38405474298 is an abundant number, since it is smaller than the sum of its proper divisors (47651236992).

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

38405474298 is a wasteful number, since it uses less digits than its factorization.

38405474298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237070843 (or 237070834 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 38405474298 in words is "thirty-eight billion, four hundred five million, four hundred seventy-four thousand, two hundred ninety-eight".