25140153042 has 48 divisors (see below), whose sum is σ = 54734223960. Its totient is φ = 8339525376.

The previous prime is 25140153011. The next prime is 25140153053. The reversal of 25140153042 is 24035104152.

25140153042 is a `hidden beast` number, since 2 + 51 + 40 + 1 + 530 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8689781961 + 16450371081 = 93219^2 + 128259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25140152997 and 25140153015.

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, 5309308 + ... + 5314040.

Almost surely, 2^25140153042 is an apocalyptic number.

25140153042 is an abundant number, since it is smaller than the sum of its proper divisors (29594070918).

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

25140153042 is a wasteful number, since it uses less digits than its factorization.

25140153042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107 (or 6104 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25140153042 its reverse (24035104152), we get a palindrome (49175257194).

The spelling of 25140153042 in words is "twenty-five billion, one hundred forty million, one hundred fifty-three thousand, forty-two".