369284786640 has 1920 divisors, whose sum is σ = 1703410974720. Its totient is φ = 72111513600.

The previous prime is 369284786623. The next prime is 369284786641. The reversal of 369284786640 is 46687482963.

369284786640 is a `hidden beast` number, since 3 + 69 + 2 + 8 + 478 + 66 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369284786641) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2040247350 + ... + 2040247530.

It is an arithmetic number, because the mean of its divisors is an integer number (887193216).

Almost surely, 2^369284786640 is an apocalyptic number.

369284786640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 369284786640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851705487360).

369284786640 is an abundant number, since it is smaller than the sum of its proper divisors (1334126188080).

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

369284786640 is a wasteful number, since it uses less digits than its factorization.

369284786640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 369284786640 in words is "three hundred sixty-nine billion, two hundred eighty-four million, seven hundred eighty-six thousand, six hundred forty".