25416770534 has 16 divisors (see below), whose sum is σ = 38307454416. Its totient is φ = 12647700000.

The previous prime is 25416770531. The next prime is 25416770551. The reversal of 25416770534 is 43507761452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25416770531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633644 + ... + 672560.

It is an arithmetic number, because the mean of its divisors is an integer number (2394215901).

Almost surely, 2^25416770534 is an apocalyptic number.

25416770534 is a deficient number, since it is larger than the sum of its proper divisors (12890683882).

25416770534 is a wasteful number, since it uses less digits than its factorization.

25416770534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40471.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 25416770534 in words is "twenty-five billion, four hundred sixteen million, seven hundred seventy thousand, five hundred thirty-four".