40245405122541 has 16 divisors (see below), whose sum is σ = 53790131596608. Its totient is φ = 26765500944000.

The previous prime is 40245405122519. The next prime is 40245405122579. The reversal of 40245405122541 is 14522150454204.

It is not a de Polignac number, because 40245405122541 - 2⁷ = 40245405122413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40245405122541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245405122591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2741266 + ... + 9381116.

It is an arithmetic number, because the mean of its divisors is an integer number (3361883224788).

Almost surely, 2^{40245405122541} is an apocalyptic number.

It is an amenable number.

40245405122541 is a deficient number, since it is larger than the sum of its proper divisors (13544726474067).

40245405122541 is a wasteful number, since it uses less digits than its factorization.

40245405122541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644732.

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 40245405122541 its reverse (14522150454204), we get a palindrome (54767555576745).

The spelling of 40245405122541 in words is "forty trillion, two hundred forty-five billion, four hundred five million, one hundred twenty-two thousand, five hundred forty-one".