1489074520 has 32 divisors (see below), whose sum is σ = 3428338320. Its totient is φ = 581777280.

The previous prime is 1489074497. The next prime is 1489074527. The reversal of 1489074520 is 254709841.

It is a super-2 number, since 2×1489074520² = 4434685852226460800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489074527) 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, 431151 + ... + 434590.

Almost surely, 2^1489074520 is an apocalyptic number.

1489074520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489074520 is an abundant number, since it is smaller than the sum of its proper divisors (1939263800).

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

1489074520 is a wasteful number, since it uses less digits than its factorization.

1489074520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865795 (or 865791 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1489074520 is about 38588.5283471656. The cubic root of 1489074520 is about 1141.9282335542.

The spelling of 1489074520 in words is "one billion, four hundred eighty-nine million, seventy-four thousand, five hundred twenty".