40221101454245 has 8 divisors (see below), whose sum is σ = 49929643184760. Its totient is φ = 31067333536960.

The previous prime is 40221101454229. The next prime is 40221101454269. The reversal of 40221101454245 is 54245410112204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2390310799969 + 37830790654276 = 1546063^2 + 6150674^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40221101454245 - 2⁴ = 40221101454229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138693453146 + ... + 138693453435.

It is an arithmetic number, because the mean of its divisors is an integer number (6241205398095).

Almost surely, 2^{40221101454245} is an apocalyptic number.

It is an amenable number.

40221101454245 is a deficient number, since it is larger than the sum of its proper divisors (9708541730515).

40221101454245 is a wasteful number, since it uses less digits than its factorization.

40221101454245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277386906615.

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 40221101454245 its reverse (54245410112204), we get a palindrome (94466511566449).

The spelling of 40221101454245 in words is "forty trillion, two hundred twenty-one billion, one hundred one million, four hundred fifty-four thousand, two hundred forty-five".