1601308400 has 30 divisors (see below), whose sum is σ = 3847144392. Its totient is φ = 640523200.

The previous prime is 1601308367. The next prime is 1601308417. The reversal of 1601308400 is 48031061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2001236 + ... + 2002035.

Almost surely, 2^1601308400 is an apocalyptic number.

1601308400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601308400 is an abundant number, since it is smaller than the sum of its proper divisors (2245835992).

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

1601308400 is a wasteful number, since it uses less digits than its factorization.

1601308400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003289 (or 4003278 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1601308400 is about 40016.3516577911. The cubic root of 1601308400 is about 1169.9258238216.

Adding to 1601308400 its reverse (48031061), we get a palindrome (1649339461).

The spelling of 1601308400 in words is "one billion, six hundred one million, three hundred eight thousand, four hundred".