364478640 has 160 divisors (see below), whose sum is σ = 1206083520. Its totient is φ = 90734592.

The previous prime is 364478573. The next prime is 364478651. The reversal of 364478640 is 46874463.

It is a junction number, because it is equal to n+sod(n) for n = 364478592 and 364478601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640276 + ... + 640844.

It is an arithmetic number, because the mean of its divisors is an integer number (7538022).

Almost surely, 2^364478640 is an apocalyptic number.

364478640 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 364478640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603041760).

364478640 is an abundant number, since it is smaller than the sum of its proper divisors (841604880).

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

364478640 is a wasteful number, since it uses less digits than its factorization.

364478640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 364478640 is about 19091.3236838099. The cubic root of 364478640 is about 714.3165196619.

The spelling of 364478640 in words is "three hundred sixty-four million, four hundred seventy-eight thousand, six hundred forty".