1074254640 has 80 divisors (see below), whose sum is σ = 3372403200. Its totient is φ = 282836736.

The previous prime is 1074254611. The next prime is 1074254647. The reversal of 1074254640 is 464524701.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1074254647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9370 + ... + 47289.

It is an arithmetic number, because the mean of its divisors is an integer number (42155040).

Almost surely, 2^1074254640 is an apocalyptic number.

1074254640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1074254640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686201600).

1074254640 is an abundant number, since it is smaller than the sum of its proper divisors (2298148560).

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

1074254640 is a wasteful number, since it uses less digits than its factorization.

1074254640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56754 (or 56748 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1074254640 is about 32775.8240171014. The cubic root of 1074254640 is about 1024.1629938704.

The spelling of 1074254640 in words is "one billion, seventy-four million, two hundred fifty-four thousand, six hundred forty".