1601284380 has 48 divisors (see below), whose sum is σ = 4678539264. Its totient is φ = 408443200.

The previous prime is 1601284361. The next prime is 1601284381. The reversal of 1601284380 is 834821061.

It is a super-2 number, since 2×1601284380² = 5128223331263968800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601284381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578796 + ... + 581555.

It is an arithmetic number, because the mean of its divisors is an integer number (97469568).

Almost surely, 2^1601284380 is an apocalyptic number.

1601284380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601284380 is an abundant number, since it is smaller than the sum of its proper divisors (3077254884).

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

1601284380 is a wasteful number, since it uses less digits than its factorization.

1601284380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160386 (or 1160384 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1601284380 is about 40016.0515293551. The cubic root of 1601284380 is about 1169.9199740721.

The spelling of 1601284380 in words is "one billion, six hundred one million, two hundred eighty-four thousand, three hundred eighty".