400419553 has 8 divisors (see below), whose sum is σ = 404122880. Its totient is φ = 396733680.

The previous prime is 400419517. The next prime is 400419557. The reversal of 400419553 is 355914004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400419553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400419557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44176 + ... + 52462.

It is an arithmetic number, because the mean of its divisors is an integer number (50515360).

Almost surely, 2^400419553 is an apocalyptic number.

It is an amenable number.

400419553 is a deficient number, since it is larger than the sum of its proper divisors (3703327).

400419553 is a wasteful number, since it uses less digits than its factorization.

400419553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8727.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 400419553 is about 20010.4860760552. The cubic root of 400419553 is about 737.0638174583.

It can be divided in two parts, 40041 and 9553, that added together give a palindrome (49594).

The spelling of 400419553 in words is "four hundred million, four hundred nineteen thousand, five hundred fifty-three".