1026344620 has 24 divisors (see below), whose sum is σ = 2463227424. Its totient is φ = 351889536.

The previous prime is 1026344573. The next prime is 1026344731. The reversal of 1026344620 is 264436201.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 3665377 + ... + 3665656.

It is an arithmetic number, because the mean of its divisors is an integer number (102634476).

Almost surely, 2^1026344620 is an apocalyptic number.

1026344620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026344620 is an abundant number, since it is smaller than the sum of its proper divisors (1436882804).

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

1026344620 is a wasteful number, since it uses less digits than its factorization.

1026344620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331049 (or 7331047 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1026344620 is about 32036.6137411556. The cubic root of 1026344620 is about 1008.7055337618.

The spelling of 1026344620 in words is "one billion, twenty-six million, three hundred forty-four thousand, six hundred twenty".