1026630240 has 48 divisors (see below), whose sum is σ = 3233886768. Its totient is φ = 273767936.

The previous prime is 1026630239. The next prime is 1026630263. The reversal of 1026630240 is 420366201.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1026630240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068927 + ... + 1069886.

It is an arithmetic number, because the mean of its divisors is an integer number (67372641).

Almost surely, 2^1026630240 is an apocalyptic number.

1026630240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026630240 is an abundant number, since it is smaller than the sum of its proper divisors (2207256528).

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

1026630240 is a wasteful number, since it uses less digits than its factorization.

1026630240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138831 (or 2138823 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1026630240 is about 32041.0711431438. The cubic root of 1026630240 is about 1008.7990954978.

Adding to 1026630240 its reverse (420366201), we get a palindrome (1446996441).

The spelling of 1026630240 in words is "one billion, twenty-six million, six hundred thirty thousand, two hundred forty".