366020640 has 192 divisors, whose sum is σ = 1290643200. Its totient is φ = 96878592.

The previous prime is 366020569. The next prime is 366020647. The reversal of 366020640 is 46020663.

It is a super-2 number, since 2×366020640² = 267942217812019200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (366020647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833541 + ... + 833979.

It is an arithmetic number, because the mean of its divisors is an integer number (6722100).

Almost surely, 2^366020640 is an apocalyptic number.

366020640 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 366020640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645321600).

366020640 is an abundant number, since it is smaller than the sum of its proper divisors (924622560).

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

366020640 is a wasteful number, since it uses less digits than its factorization.

366020640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 366020640 is about 19131.6658971455. The cubic root of 366020640 is about 715.3224554972.

The spelling of 366020640 in words is "three hundred sixty-six million, twenty thousand, six hundred forty".