1426516840 has 32 divisors (see below), whose sum is σ = 3668186880. Its totient is φ = 489091392.

The previous prime is 1426516807. The next prime is 1426516843. The reversal of 1426516840 is 486156241.

It is a self number, because there is not a number n which added to its sum of digits gives 1426516840.

It is not an unprimeable number, because it can be changed into a prime (1426516843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547072 + ... + 2547631.

It is an arithmetic number, because the mean of its divisors is an integer number (114630840).

Almost surely, 2^1426516840 is an apocalyptic number.

1426516840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426516840 is an abundant number, since it is smaller than the sum of its proper divisors (2241670040).

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

1426516840 is a wasteful number, since it uses less digits than its factorization.

1426516840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094721 (or 5094717 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1426516840 is about 37769.2578693307. The cubic root of 1426516840 is about 1125.7076936542.

The spelling of 1426516840 in words is "one billion, four hundred twenty-six million, five hundred sixteen thousand, eight hundred forty".