25473137040 has 160 divisors (see below), whose sum is σ = 94490202240. Its totient is φ = 6270303744.

The previous prime is 25473136987. The next prime is 25473137087. The reversal of 25473137040 is 4073137452.

25473137040 is a `hidden beast` number, since 2 + 547 + 3 + 1 + 3 + 70 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25473136986 and 25473137004.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 425502 + ... + 481661.

It is an arithmetic number, because the mean of its divisors is an integer number (590563764).

Almost surely, 2^25473137040 is an apocalyptic number.

25473137040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25473137040 is an abundant number, since it is smaller than the sum of its proper divisors (69017065200).

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

25473137040 is a wasteful number, since it uses less digits than its factorization.

25473137040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907198 (or 907186 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 25473137040 in words is "twenty-five billion, four hundred seventy-three million, one hundred thirty-seven thousand, forty".