44202040404451 has 2 divisors, whose sum is σ = 44202040404452. Its totient is φ = 44202040404450.

The previous prime is 44202040404397. The next prime is 44202040404463. The reversal of 44202040404451 is 15440404020244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44202040404451 - 2¹³ = 44202040396259 is a prime.

It is a super-2 number, since 2×44202040404451² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44202040414451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22101020202225 + 22101020202226.

It is an arithmetic number, because the mean of its divisors is an integer number (22101020202226).

Almost surely, 2^{44202040404451} is an apocalyptic number.

44202040404451 is a deficient number, since it is larger than the sum of its proper divisors (1).

44202040404451 is an equidigital number, since it uses as much as digits as its factorization.

44202040404451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 44202040404451 its reverse (15440404020244), we get a palindrome (59642444424695).

The spelling of 44202040404451 in words is "forty-four trillion, two hundred two billion, forty million, four hundred four thousand, four hundred fifty-one".