1497471444 has 36 divisors (see below), whose sum is σ = 4326029344. Its totient is φ = 427848912.

The previous prime is 1497471439. The next prime is 1497471457. The reversal of 1497471444 is 4441747941.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1497471444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2970922 + ... + 2971425.

Almost surely, 2^1497471444 is an apocalyptic number.

1497471444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1497471444 is an abundant number, since it is smaller than the sum of its proper divisors (2828557900).

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

1497471444 is a wasteful number, since it uses less digits than its factorization.

1497471444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942364 (or 5942359 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 1497471444 is about 38697.1761760467. The cubic root of 1497471444 is about 1144.0706643311.

The spelling of 1497471444 in words is "one billion, four hundred ninety-seven million, four hundred seventy-one thousand, four hundred forty-four".