1026738480 has 40 divisors (see below), whose sum is σ = 3182890032. Its totient is φ = 273796864.

The previous prime is 1026738437. The next prime is 1026738481. The reversal of 1026738480 is 848376201.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1026738481) 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, 2138799 + ... + 2139278.

Almost surely, 2^1026738480 is an apocalyptic number.

1026738480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026738480 is an abundant number, since it is smaller than the sum of its proper divisors (2156151552).

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

1026738480 is a wasteful number, since it uses less digits than its factorization.

1026738480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278093 (or 4278087 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1026738480 is about 32042.7601807335. The cubic root of 1026738480 is about 1008.8345475923.

The spelling of 1026738480 in words is "one billion, twenty-six million, seven hundred thirty-eight thousand, four hundred eighty".