25416011776 has 117 divisors (see below), whose sum is σ = 52928530081. Its totient is φ = 12202950656.

The previous prime is 25416011773. The next prime is 25416011813. The reversal of 25416011776 is 67711061452.

The square root of 25416011776 is 159424.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18322329600 + 7093682176 = 135360^2 + 84224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25416011773) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 479547366 + ... + 479547418.

Almost surely, 2^25416011776 is an apocalyptic number.

25416011776 is the 159424-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25416011776

25416011776 is an abundant number, since it is smaller than the sum of its proper divisors (27512518305).

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

25416011776 is an frugal number, since it uses more digits than its factorization.

25416011776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 25416011776 in words is "twenty-five billion, four hundred sixteen million, eleven thousand, seven hundred seventy-six".