561426000 has 160 divisors (see below), whose sum is σ = 1825918848. Its totient is φ = 148403200.

The previous prime is 561425989. The next prime is 561426011. The reversal of 561426000 is 624165.

It is an interprime number because it is at equal distance from previous prime (561425989) and next prime (561426011).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821659 + ... + 822341.

Almost surely, 2^561426000 is an apocalyptic number.

561426000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561426000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912959424).

561426000 is an abundant number, since it is smaller than the sum of its proper divisors (1264492848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561426000 is a wasteful number, since it uses less digits than its factorization.

561426000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 561426000 is about 23694.4297251485. The cubic root of 561426000 is about 824.9561041842.

The spelling of 561426000 in words is "five hundred sixty-one million, four hundred twenty-six thousand".