1491234960 has 40 divisors (see below), whose sum is σ = 4622829120. Its totient is φ = 397662592.

The previous prime is 1491234949. The next prime is 1491234973. The reversal of 1491234960 is 694321941.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106500 + ... + 3106979.

It is an arithmetic number, because the mean of its divisors is an integer number (115570728).

Almost surely, 2^1491234960 is an apocalyptic number.

1491234960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1491234960 is an abundant number, since it is smaller than the sum of its proper divisors (3131594160).

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

1491234960 is a wasteful number, since it uses less digits than its factorization.

1491234960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213495 (or 6213489 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1491234960 is about 38616.5114944372. The cubic root of 1491234960 is about 1142.4802263606.

The spelling of 1491234960 in words is "one billion, four hundred ninety-one million, two hundred thirty-four thousand, nine hundred sixty".