1497081040 has 160 divisors (see below), whose sum is σ = 4470713856. Its totient is φ = 453150720.

The previous prime is 1497081029. The next prime is 1497081059. The reversal of 1497081040 is 401807941.

It is a junction number, because it is equal to n+sod(n) for n = 1497080987 and 1497081005.

It is a congruent number.

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, 162970 + ... + 171910.

Almost surely, 2^1497081040 is an apocalyptic number.

1497081040 is a gapful number since it is divisible by the number (10) 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 1497081040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235356928).

1497081040 is an abundant number, since it is smaller than the sum of its proper divisors (2973632816).

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

1497081040 is a wasteful number, since it uses less digits than its factorization.

1497081040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1497081040 is about 38692.1314998282. The cubic root of 1497081040 is about 1143.9712325888.

Adding to 1497081040 its reverse (401807941), we get a palindrome (1898888981).

The spelling of 1497081040 in words is "one billion, four hundred ninety-seven million, eighty-one thousand, forty".