25554150040 has 32 divisors (see below), whose sum is σ = 58720178880. Its totient is φ = 10004177152.

The previous prime is 25554150001. The next prime is 25554150047. The reversal of 25554150040 is 4005145552.

It is a junction number, because it is equal to n+sod(n) for n = 25554149984 and 25554150011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25554150047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794437 + ... + 6798196.

It is an arithmetic number, because the mean of its divisors is an integer number (1835005590).

Almost surely, 2^25554150040 is an apocalyptic number.

25554150040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25554150040 is an abundant number, since it is smaller than the sum of its proper divisors (33166028840).

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

25554150040 is a wasteful number, since it uses less digits than its factorization.

25554150040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592691 (or 13592687 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 25554150040 its reverse (4005145552), we get a palindrome (29559295592).

The spelling of 25554150040 in words is "twenty-five billion, five hundred fifty-four million, one hundred fifty thousand, forty".