1026863450 has 24 divisors (see below), whose sum is σ = 1956554460. Its totient is φ = 400726400.

The previous prime is 1026863443. The next prime is 1026863459. The reversal of 1026863450 is 543686201.

It can be written as a sum of positive squares in 6 ways, for example, as 235960321 + 790903129 = 15361^2 + 28123^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1026863450.

It is not an unprimeable number, because it can be changed into a prime (1026863459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248405 + ... + 252504.

Almost surely, 2^1026863450 is an apocalyptic number.

1026863450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026863450 is a deficient number, since it is larger than the sum of its proper divisors (929691010).

1026863450 is a wasteful number, since it uses less digits than its factorization.

1026863450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500962 (or 500957 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1026863450 is about 32044.7101718833. The cubic root of 1026863450 is about 1008.8754762030.

The spelling of 1026863450 in words is "one billion, twenty-six million, eight hundred sixty-three thousand, four hundred fifty".