41416521401378 has 54 divisors (see below), whose sum is σ = 66841836817329. Its totient is φ = 19243935260784.

The previous prime is 41416521401363. The next prime is 41416521401443. The reversal of 41416521401378 is 87310412561414.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39285981229609 + 2130540171769 = 6267853^2 + 1459637^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4550633.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9164972603 + ... + 9164977121.

Almost surely, 2^{41416521401378} is an apocalyptic number.

41416521401378 is a deficient number, since it is larger than the sum of its proper divisors (25425315415951).

41416521401378 is an frugal number, since it uses more digits than its factorization.

41416521401378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184 (or 4593 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 41416521401378 in words is "forty-one trillion, four hundred sixteen billion, five hundred twenty-one million, four hundred one thousand, three hundred seventy-eight".