245405536400 has 60 divisors (see below), whose sum is σ = 598386669552. Its totient is φ = 96697096320.

The previous prime is 245405536399. The next prime is 245405536469. The reversal of 245405536400 is 4635504542.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4551662 + ... + 4605261.

Almost surely, 2^245405536400 is an apocalyptic number.

245405536400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245405536400 is an abundant number, since it is smaller than the sum of its proper divisors (352981133152).

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

245405536400 is a wasteful number, since it uses less digits than its factorization.

245405536400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157008 (or 9156997 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 245405536400 in words is "two hundred forty-five billion, four hundred five million, five hundred thirty-six thousand, four hundred".