245816371500 has 384 divisors, whose sum is σ = 827843487744. Its totient is φ = 55520640000.

The previous prime is 245816371499. The next prime is 245816371513. The reversal of 245816371500 is 5173618542.

It is a happy number.

245816371500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 401005194 + ... + 401005806.

It is an arithmetic number, because the mean of its divisors is an integer number (2155842416).

Almost surely, 2^245816371500 is an apocalyptic number.

245816371500 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 245816371500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413921743872).

245816371500 is an abundant number, since it is smaller than the sum of its proper divisors (582027116244).

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

245816371500 is a wasteful number, since it uses less digits than its factorization.

245816371500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 245816371500 in words is "two hundred forty-five billion, eight hundred sixteen million, three hundred seventy-one thousand, five hundred".