400419554 has 8 divisors (see below), whose sum is σ = 600979548. Its totient is φ = 200093040.

The previous prime is 400419517. The next prime is 400419557. The reversal of 400419554 is 455914004.

It can be written as a sum of positive squares in 2 ways, for example, as 306775225 + 93644329 = 17515^2 + 9677^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 400419554.

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 3 ways as a sum of consecutive naturals, for example, 54017 + ... + 60980.

Almost surely, 2^400419554 is an apocalyptic number.

400419554 is a deficient number, since it is larger than the sum of its proper divisors (200559994).

400419554 is a wasteful number, since it uses less digits than its factorization.

400419554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116740.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 400419554 is about 20010.4861010421. The cubic root of 400419554 is about 737.0638180719.

The spelling of 400419554 in words is "four hundred million, four hundred nineteen thousand, five hundred fifty-four".