245554501432398 has 16 divisors (see below), whose sum is σ = 503087271227856. Its totient is φ = 79855122416960.

The previous prime is 245554501432397. The next prime is 245554501432481. The reversal of 245554501432398 is 893234105455542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245554501432391) 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, 499094514861 + ... + 499094515352.

It is an arithmetic number, because the mean of its divisors is an integer number (31442954451741).

Almost surely, 2^{245554501432398} is an apocalyptic number.

245554501432398 is an abundant number, since it is smaller than the sum of its proper divisors (257532769795458).

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

245554501432398 is a wasteful number, since it uses less digits than its factorization.

245554501432398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998189030259.

The product of its (nonzero) digits is 103680000, while the sum is 60.

The spelling of 245554501432398 in words is "two hundred forty-five trillion, five hundred fifty-four billion, five hundred one million, four hundred thirty-two thousand, three hundred ninety-eight".