245718871926720 has 224 divisors, whose sum is σ = 780724607809536. Its totient is φ = 65477411942400.

The previous prime is 245718871926709. The next prime is 245718871926739. The reversal of 245718871926720 is 27629178817542.

It is a super-2 number, since 2×245718871926720² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8921916150 + ... + 8921943690.

Almost surely, 2^{245718871926720} is an apocalyptic number.

245718871926720 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 245718871926720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390362303904768).

245718871926720 is an abundant number, since it is smaller than the sum of its proper divisors (535005735882816).

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

245718871926720 is a wasteful number, since it uses less digits than its factorization.

245718871926720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33979 (or 33969 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 69.

The spelling of 245718871926720 in words is "two hundred forty-five trillion, seven hundred eighteen billion, eight hundred seventy-one million, nine hundred twenty-six thousand, seven hundred twenty".