1426961408 has 88 divisors (see below), whose sum is σ = 3047901120. Its totient is φ = 665763840.

The previous prime is 1426961387. The next prime is 1426961411. The reversal of 1426961408 is 8041696241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380860 + ... + 1381892.

It is an arithmetic number, because the mean of its divisors is an integer number (34635240).

Almost surely, 2^1426961408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426961408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523950560).

1426961408 is an abundant number, since it is smaller than the sum of its proper divisors (1620939712).

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

1426961408 is a wasteful number, since it uses less digits than its factorization.

1426961408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1426961408 is about 37775.1427264014. The cubic root of 1426961408 is about 1125.8246222046.

The spelling of 1426961408 in words is "one billion, four hundred twenty-six million, nine hundred sixty-one thousand, four hundred eight".