1612287480 has 128 divisors (see below), whose sum is σ = 5298177600. Its totient is φ = 390684672.

The previous prime is 1612287473. The next prime is 1612287487. The reversal of 1612287480 is 847822161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1612287473) and next prime (1612287487).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612287487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45534 + ... + 72786.

Almost surely, 2^1612287480 is an apocalyptic number.

1612287480 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 1612287480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649088800).

1612287480 is an abundant number, since it is smaller than the sum of its proper divisors (3685890120).

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

1612287480 is a wasteful number, since it uses less digits than its factorization.

1612287480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27313 (or 27309 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1612287480 is about 40153.2997398719. The cubic root of 1612287480 is about 1172.5935307873.

The spelling of 1612287480 in words is "one billion, six hundred twelve million, two hundred eighty-seven thousand, four hundred eighty".