1497407480 has 64 divisors (see below), whose sum is σ = 3554928000. Its totient is φ = 566089344.

The previous prime is 1497407473. The next prime is 1497407491. The reversal of 1497407480 is 847047941.

It is a super-2 number, since 2×1497407480² = 4484458322319900800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352811 + ... + 357029.

It is an arithmetic number, because the mean of its divisors is an integer number (55545750).

Almost surely, 2^1497407480 is an apocalyptic number.

1497407480 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 1497407480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777464000).

1497407480 is an abundant number, since it is smaller than the sum of its proper divisors (2057520520).

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

1497407480 is a wasteful number, since it uses less digits than its factorization.

1497407480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 1497407480 is about 38696.3496986473. The cubic root of 1497407480 is about 1144.0543745652.

The spelling of 1497407480 in words is "one billion, four hundred ninety-seven million, four hundred seven thousand, four hundred eighty".