1426542804 has 18 divisors (see below), whose sum is σ = 3605983290. Its totient is φ = 475514256.

The previous prime is 1426542791. The next prime is 1426542847. The reversal of 1426542804 is 4082456241.

1426542804 is a `hidden beast` number, since 14 + 26 + 542 + 80 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 977187600 + 449355204 = 31260^2 + 21198^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 39626189 = 1426542804 / (1 + 4 + 2 + 6 + 5 + 4 + 2 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19813059 + ... + 19813130.

It is an arithmetic number, because the mean of its divisors is an integer number (200332405).

Almost surely, 2^1426542804 is an apocalyptic number.

It is an amenable number.

1426542804 is an abundant number, since it is smaller than the sum of its proper divisors (2179440486).

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

1426542804 is a wasteful number, since it uses less digits than its factorization.

1426542804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39626199 (or 39626194 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1426542804 is about 37769.6015864610. The cubic root of 1426542804 is about 1125.7145232727.

The spelling of 1426542804 in words is "one billion, four hundred twenty-six million, five hundred forty-two thousand, eight hundred four".