40525004401051 has 4 divisors (see below), whose sum is σ = 40686458602104. Its totient is φ = 40363550200000.

The previous prime is 40525004401031. The next prime is 40525004401067. The reversal of 40525004401051 is 15010440052504.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40525004401051 - 2¹⁵ = 40525004368283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40525004401031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80727100150 + ... + 80727100651.

It is an arithmetic number, because the mean of its divisors is an integer number (10171614650526).

Almost surely, 2^{40525004401051} is an apocalyptic number.

40525004401051 is a deficient number, since it is larger than the sum of its proper divisors (161454201053).

40525004401051 is a wasteful number, since it uses less digits than its factorization.

40525004401051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161454201052.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 40525004401051 its reverse (15010440052504), we get a palindrome (55535444453555).

The spelling of 40525004401051 in words is "forty trillion, five hundred twenty-five billion, four million, four hundred one thousand, fifty-one".