1491454076 has 24 divisors (see below), whose sum is σ = 2989576800. Its totient is φ = 637765632.

The previous prime is 1491454073. The next prime is 1491454099. The reversal of 1491454076 is 6704541941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491454073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46745 + ... + 71888.

It is an arithmetic number, because the mean of its divisors is an integer number (124565700).

Almost surely, 2^1491454076 is an apocalyptic number.

It is an amenable number.

1491454076 is an abundant number, since it is smaller than the sum of its proper divisors (1498122724).

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

1491454076 is a wasteful number, since it uses less digits than its factorization.

1491454076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119093 (or 119091 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1491454076 is about 38619.3484667983. The cubic root of 1491454076 is about 1142.5361807528.

The spelling of 1491454076 in words is "one billion, four hundred ninety-one million, four hundred fifty-four thousand, seventy-six".