245748750990912 has 672 divisors, whose sum is σ = 791089429248000. Its totient is φ = 74770578634752.

The previous prime is 245748750990859. The next prime is 245748750990971. The reversal of 245748750990912 is 219099057847542.

It is a happy number.

245748750990912 is a `hidden beast` number, since 2 + 4 + 5 + 7 + 487 + 50 + 9 + 9 + 0 + 91 + 2 = 666.

It is a super-2 number, since 2×245748750990912² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9472629013 + ... + 9472654955.

Almost surely, 2^{245748750990912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245748750990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395544714624000).

245748750990912 is an abundant number, since it is smaller than the sum of its proper divisors (545340678257088).

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

245748750990912 is a wasteful number, since it uses less digits than its factorization.

245748750990912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26352 (or 26323 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 72.

The spelling of 245748750990912 in words is "two hundred forty-five trillion, seven hundred forty-eight billion, seven hundred fifty million, nine hundred ninety thousand, nine hundred twelve".