400254310022452 has 48 divisors (see below), whose sum is σ = 748346569850880. Its totient is φ = 186861772567008.

The previous prime is 400254310022353. The next prime is 400254310022473. The reversal of 400254310022452 is 254220013452004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23841052 + ... + 36998707.

It is an arithmetic number, because the mean of its divisors is an integer number (15590553538560).

Almost surely, 2^{400254310022452} is an apocalyptic number.

It is an amenable number.

400254310022452 is a deficient number, since it is larger than the sum of its proper divisors (348092259828428).

400254310022452 is a wasteful number, since it uses less digits than its factorization.

400254310022452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60841492 (or 60841490 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 400254310022452 its reverse (254220013452004), we get a palindrome (654474323474456).

The spelling of 400254310022452 in words is "four hundred trillion, two hundred fifty-four billion, three hundred ten million, twenty-two thousand, four hundred fifty-two".