245554101540040 has 256 divisors, whose sum is σ = 606251358535680. Its totient is φ = 89132060344320.

The previous prime is 245554101540037. The next prime is 245554101540067. The reversal of 245554101540040 is 40045101455542.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 245554101539975 and 245554101540002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2738344405 + ... + 2738434075.

It is an arithmetic number, because the mean of its divisors is an integer number (2368169369280).

Almost surely, 2^{245554101540040} is an apocalyptic number.

245554101540040 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 245554101540040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303125679267840).

245554101540040 is an abundant number, since it is smaller than the sum of its proper divisors (360697256995640).

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

245554101540040 is a wasteful number, since it uses less digits than its factorization.

245554101540040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90720 (or 90716 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 245554101540040 its reverse (40045101455542), we get a palindrome (285599202995582).

The spelling of 245554101540040 in words is "two hundred forty-five trillion, five hundred fifty-four billion, one hundred one million, five hundred forty thousand, forty".