1490178924 has 96 divisors (see below), whose sum is σ = 4341603840. Its totient is φ = 438571584.

The previous prime is 1490178913. The next prime is 1490178931. The reversal of 1490178924 is 4298710941.

It is a happy number.

1490178924 is a `hidden beast` number, since 1 + 490 + 1 + 78 + 92 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1490178924.

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, 9219 + ... + 55365.

It is an arithmetic number, because the mean of its divisors is an integer number (45225040).

Almost surely, 2^1490178924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490178924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170801920).

1490178924 is an abundant number, since it is smaller than the sum of its proper divisors (2851424916).

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

1490178924 is a wasteful number, since it uses less digits than its factorization.

1490178924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46196 (or 46188 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1490178924 is about 38602.8356989483. The cubic root of 1490178924 is about 1142.2104756301.

The spelling of 1490178924 in words is "one billion, four hundred ninety million, one hundred seventy-eight thousand, nine hundred twenty-four".