41256031402 has 4 divisors (see below), whose sum is σ = 61884047106. Its totient is φ = 20628015700.

The previous prime is 41256031331. The next prime is 41256031423. The reversal of 41256031402 is 20413065214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37295720641 + 3960310761 = 193121^2 + 62931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10314007849 + ... + 10314007852.

Almost surely, 2^41256031402 is an apocalyptic number.

41256031402 is a deficient number, since it is larger than the sum of its proper divisors (20628015704).

41256031402 is a wasteful number, since it uses less digits than its factorization.

41256031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628015703.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 41256031402 its reverse (20413065214), we get a palindrome (61669096616).

The spelling of 41256031402 in words is "forty-one billion, two hundred fifty-six million, thirty-one thousand, four hundred two".