366473640 has 128 divisors (see below), whose sum is σ = 1189157760. Its totient is φ = 89816064.

The previous prime is 366473629. The next prime is 366473659. The reversal of 366473640 is 46374663.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540982 + ... + 541658.

It is an arithmetic number, because the mean of its divisors is an integer number (9290295).

Almost surely, 2^366473640 is an apocalyptic number.

366473640 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 366473640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594578880).

366473640 is an abundant number, since it is smaller than the sum of its proper divisors (822684120).

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

366473640 is a wasteful number, since it uses less digits than its factorization.

366473640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 39.

The square root of 366473640 is about 19143.5012471596. The cubic root of 366473640 is about 715.6174365695.

The spelling of 366473640 in words is "three hundred sixty-six million, four hundred seventy-three thousand, six hundred forty".