1026016140 has 48 divisors (see below), whose sum is σ = 2887315200. Its totient is φ = 272226240.

The previous prime is 1026016139. The next prime is 1026016141. The reversal of 1026016140 is 416106201.

It is an interprime number because it is at equal distance from previous prime (1026016139) and next prime (1026016141).

It is not an unprimeable number, because it can be changed into a prime (1026016141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31026 + ... + 54905.

It is an arithmetic number, because the mean of its divisors is an integer number (60152400).

Almost surely, 2^1026016140 is an apocalyptic number.

1026016140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026016140 is an abundant number, since it is smaller than the sum of its proper divisors (1861299060).

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

1026016140 is a wasteful number, since it uses less digits than its factorization.

1026016140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86142 (or 86140 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1026016140 is about 32031.4866966864. The cubic root of 1026016140 is about 1008.5979107335.

The spelling of 1026016140 in words is "one billion, twenty-six million, sixteen thousand, one hundred forty".