1074838440 has 64 divisors (see below), whose sum is σ = 3472560000. Its totient is φ = 264575232.

The previous prime is 1074838439. The next prime is 1074838451. The reversal of 1074838440 is 448384701.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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, 342940 + ... + 346059.

It is an arithmetic number, because the mean of its divisors is an integer number (54258750).

Almost surely, 2^1074838440 is an apocalyptic number.

1074838440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074838440 is an abundant number, since it is smaller than the sum of its proper divisors (2397721560).

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

1074838440 is a wasteful number, since it uses less digits than its factorization.

1074838440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689026 (or 689022 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 1074838440 is about 32784.7287620319. The cubic root of 1074838440 is about 1024.3484862283.

The spelling of 1074838440 in words is "one billion, seventy-four million, eight hundred thirty-eight thousand, four hundred forty".