1490181600 has 72 divisors (see below), whose sum is σ = 4850548920. Its totient is φ = 397381120.

The previous prime is 1490181599. The next prime is 1490181601. The reversal of 1490181600 is 61810941.

1490181600 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1490181599) and next prime (1490181601).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490181601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308055 + ... + 312854.

It is an arithmetic number, because the mean of its divisors is an integer number (67368735).

Almost surely, 2^1490181600 is an apocalyptic number.

1490181600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490181600 is an abundant number, since it is smaller than the sum of its proper divisors (3360367320).

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

1490181600 is a wasteful number, since it uses less digits than its factorization.

1490181600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620932 (or 620919 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1490181600 is about 38602.8703595989. The cubic root of 1490181600 is about 1142.2111593407.

The spelling of 1490181600 in words is "one billion, four hundred ninety million, one hundred eighty-one thousand, six hundred".