1426013520 has 80 divisors (see below), whose sum is σ = 4573100160. Its totient is φ = 367155712.

The previous prime is 1426013509. The next prime is 1426013521. The reversal of 1426013520 is 253106241.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426013521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95484 + ... + 109403.

It is an arithmetic number, because the mean of its divisors is an integer number (57163752).

Almost surely, 2^1426013520 is an apocalyptic number.

1426013520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426013520 is an abundant number, since it is smaller than the sum of its proper divisors (3147086640).

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

1426013520 is a wasteful number, since it uses less digits than its factorization.

1426013520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204932 (or 204926 counting only the distinct ones).

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

The square root of 1426013520 is about 37762.5941905479. The cubic root of 1426013520 is about 1125.5752830555.

Adding to 1426013520 its reverse (253106241), we get a palindrome (1679119761).

The spelling of 1426013520 in words is "one billion, four hundred twenty-six million, thirteen thousand, five hundred twenty".