385202040 has 32 divisors (see below), whose sum is σ = 1155606480. Its totient is φ = 102720512.

The previous prime is 385202023. The next prime is 385202053. The reversal of 385202040 is 40202583.

It is a super-2 number, since 2×385202040² = 296761223240323200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 385202040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604889 + ... + 1605128.

Almost surely, 2^385202040 is an apocalyptic number.

385202040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385202040 is an abundant number, since it is smaller than the sum of its proper divisors (770404440).

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

385202040 is a wasteful number, since it uses less digits than its factorization.

385202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210031 (or 3210027 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 385202040 is about 19626.5646510030. The cubic root of 385202040 is about 727.6058678490.

The spelling of 385202040 in words is "three hundred eighty-five million, two hundred two thousand, forty".