400554552441425 has 6 divisors (see below), whose sum is σ = 496687645027398. Its totient is φ = 320443641953120.

The previous prime is 400554552441383. The next prime is 400554552441467. The reversal of 400554552441425 is 524144255455004.

It is an interprime number because it is at equal distance from previous prime (400554552441383) and next prime (400554552441467).

It can be written as a sum of positive squares in 3 ways, for example, as 222923733904 + 400331628707521 = 472148^2 + 20008289^2 .

It is not a de Polignac number, because 400554552441425 - 2¹² = 400554552437329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8011091048804 + ... + 8011091048853.

It is an arithmetic number, because the mean of its divisors is an integer number (82781274171233).

Almost surely, 2^{400554552441425} is an apocalyptic number.

It is an amenable number.

400554552441425 is a deficient number, since it is larger than the sum of its proper divisors (96133092585973).

400554552441425 is a wasteful number, since it uses less digits than its factorization.

400554552441425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16022182097667 (or 16022182097662 counting only the distinct ones).

The product of its (nonzero) digits is 12800000, while the sum is 50.

The spelling of 400554552441425 in words is "four hundred trillion, five hundred fifty-four billion, five hundred fifty-two million, four hundred forty-one thousand, four hundred twenty-five".