245406671500 has 24 divisors (see below), whose sum is σ = 535968171648. Its totient is φ = 98162668400.

The previous prime is 245406671483. The next prime is 245406671507. The reversal of 245406671500 is 5176604542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245406671507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245406172 + ... + 245407171.

It is an arithmetic number, because the mean of its divisors is an integer number (22332007152).

Almost surely, 2^245406671500 is an apocalyptic number.

245406671500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245406671500 is an abundant number, since it is smaller than the sum of its proper divisors (290561500148).

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

245406671500 is a wasteful number, since it uses less digits than its factorization.

245406671500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490813362 (or 490813350 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 245406671500 in words is "two hundred forty-five billion, four hundred six million, six hundred seventy-one thousand, five hundred".