25745202046 has 8 divisors (see below), whose sum is σ = 40650319080. Its totient is φ = 12195095688.

The previous prime is 25745202001. The next prime is 25745202107. The reversal of 25745202046 is 64020254752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25745202046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25745201996 and 25745202014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338752621 + ... + 338752696.

It is an arithmetic number, because the mean of its divisors is an integer number (5081289885).

Almost surely, 2^25745202046 is an apocalyptic number.

25745202046 is a deficient number, since it is larger than the sum of its proper divisors (14905117034).

25745202046 is a wasteful number, since it uses less digits than its factorization.

25745202046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677505338.

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 25745202046 its reverse (64020254752), we get a palindrome (89765456798).

The spelling of 25745202046 in words is "twenty-five billion, seven hundred forty-five million, two hundred two thousand, forty-six".