245533100040 has 96 divisors (see below), whose sum is σ = 827537518080. Its totient is φ = 65475490752.

The previous prime is 245533100039. The next prime is 245533100051. The reversal of 245533100040 is 40001335542.

245533100040 is a `hidden beast` number, since 2 + 4 + 553 + 3 + 100 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 245533099977 and 245533100013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12620584 + ... + 12640023.

It is an arithmetic number, because the mean of its divisors is an integer number (8620182480).

Almost surely, 2^245533100040 is an apocalyptic number.

245533100040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245533100040 is an abundant number, since it is smaller than the sum of its proper divisors (582004418040).

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

245533100040 is a wasteful number, since it uses less digits than its factorization.

245533100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260633 (or 25260617 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 245533100040 its reverse (40001335542), we get a palindrome (285534435582).

The spelling of 245533100040 in words is "two hundred forty-five billion, five hundred thirty-three million, one hundred thousand, forty".