1030400670 has 128 divisors (see below), whose sum is σ = 2724793344. Its totient is φ = 247855104.

The previous prime is 1030400669. The next prime is 1030400681. The reversal of 1030400670 is 760040301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4539097 + ... + 4539323.

It is an arithmetic number, because the mean of its divisors is an integer number (21287448).

Almost surely, 2^1030400670 is an apocalyptic number.

1030400670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030400670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362396672).

1030400670 is an abundant number, since it is smaller than the sum of its proper divisors (1694392674).

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

1030400670 is a wasteful number, since it uses less digits than its factorization.

1030400670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1030400670 is about 32099.8546725682. The cubic root of 1030400670 is about 1010.0325676523.

Adding to 1030400670 its reverse (760040301), we get a palindrome (1790440971).

The spelling of 1030400670 in words is "one billion, thirty million, four hundred thousand, six hundred seventy".