1491962976 has 360 divisors, whose sum is σ = 5412269016. Its totient is φ = 400619520.

The previous prime is 1491962957. The next prime is 1491962999. The reversal of 1491962976 is 6792691941.

It is a happy number.

1491962976 is a `hidden beast` number, since 1 + 4 + 9 + 1 + 9 + 629 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2158791 + ... + 2159481.

Almost surely, 2^1491962976 is an apocalyptic number.

1491962976 is a gapful number since it is divisible by the number (16) 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 1491962976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2706134508).

1491962976 is an abundant number, since it is smaller than the sum of its proper divisors (3920306040).

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

1491962976 is a wasteful number, since it uses less digits than its factorization.

1491962976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 720 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 1491962976 is about 38625.9365711694. The cubic root of 1491962976 is about 1142.6661144762. Note that the first 3 decimals are identical.

The spelling of 1491962976 in words is "one billion, four hundred ninety-one million, nine hundred sixty-two thousand, nine hundred seventy-six".