366260640 has 48 divisors (see below), whose sum is σ = 1153722528. Its totient is φ = 97669376.

The previous prime is 366260603. The next prime is 366260647. The reversal of 366260640 is 46062663.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (366260647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381042 + ... + 382001.

It is an arithmetic number, because the mean of its divisors is an integer number (24035886).

Almost surely, 2^366260640 is an apocalyptic number.

366260640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

366260640 is an abundant number, since it is smaller than the sum of its proper divisors (787461888).

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

366260640 is a wasteful number, since it uses less digits than its factorization.

366260640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763061 (or 763053 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 366260640 is about 19137.9371929161. The cubic root of 366260640 is about 715.4787671558.

The spelling of 366260640 in words is "three hundred sixty-six million, two hundred sixty thousand, six hundred forty".