245120313400 has 96 divisors (see below), whose sum is σ = 591420852000. Its totient is φ = 94367813120.

The previous prime is 245120313391. The next prime is 245120313407. The reversal of 245120313400 is 4313021542.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245120313407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771941 + ... + 1905259.

It is an arithmetic number, because the mean of its divisors is an integer number (6160633875).

Almost surely, 2^245120313400 is an apocalyptic number.

245120313400 is a gapful number since it is divisible by the number (20) 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 245120313400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295710426000).

245120313400 is an abundant number, since it is smaller than the sum of its proper divisors (346300538600).

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

245120313400 is a wasteful number, since it uses less digits than its factorization.

245120313400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133681 (or 133672 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 245120313400 its reverse (4313021542), we get a palindrome (249433334942).

The spelling of 245120313400 in words is "two hundred forty-five billion, one hundred twenty million, three hundred thirteen thousand, four hundred".