1026945738 has 144 divisors (see below), whose sum is σ = 2850232320. Its totient is φ = 261346176.

The previous prime is 1026945683. The next prime is 1026945739. The reversal of 1026945738 is 8375496201.

1026945738 is a `hidden beast` number, since 10 + 2 + 69 + 4 + 573 + 8 = 666.

1026945738 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1026945738 is strictly pandigital in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1026945693 and 1026945702.

It is not an unprimeable number, because it can be changed into a prime (1026945739) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 616695 + ... + 618357.

It is an arithmetic number, because the mean of its divisors is an integer number (19793280).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1026945738 = 2053891476, but 3⋅1026945738 = 3080837214 is not.

Almost surely, 2^1026945738 is an apocalyptic number.

1026945738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026945738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425116160).

1026945738 is an abundant number, since it is smaller than the sum of its proper divisors (1823286582).

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

1026945738 is a wasteful number, since it uses less digits than its factorization.

1026945738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1026945738 is about 32045.9941022275. The cubic root of 1026945738 is about 1008.9024243260.

The spelling of 1026945738 in words is "one billion, twenty-six million, nine hundred forty-five thousand, seven hundred thirty-eight".