389052920070 has 40 divisors (see below), whose sum is σ = 1046120076144. Its totient is φ = 103747445136.

The previous prime is 389052920059. The next prime is 389052920083. The reversal of 389052920070 is 70029250983.

389052920070 is a `hidden beast` number, since 38 + 9 + 0 + 529 + 20 + 0 + 70 = 666.

It is a super-2 number, since 2×389052920070² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 389052919998 and 389052920025.

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, 240155314 + ... + 240156933.

Almost surely, 2^389052920070 is an apocalyptic number.

389052920070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389052920070 is an abundant number, since it is smaller than the sum of its proper divisors (657067156074).

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

389052920070 is a wasteful number, since it uses less digits than its factorization.

389052920070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480312266 (or 480312257 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 389052920070 in words is "three hundred eighty-nine billion, fifty-two million, nine hundred twenty thousand, seventy".