1049374440 has 160 divisors (see below), whose sum is σ = 3550488480. Its totient is φ = 277976448.

The previous prime is 1049374439. The next prime is 1049374481. The reversal of 1049374440 is 444739401.

It is a super-2 number, since 2×1049374440² = 2202373430650627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1049374395 and 1049374404.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 527127 + ... + 529113.

It is an arithmetic number, because the mean of its divisors is an integer number (22190553).

Almost surely, 2^1049374440 is an apocalyptic number.

1049374440 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 1049374440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775244240).

1049374440 is an abundant number, since it is smaller than the sum of its proper divisors (2501114040).

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

1049374440 is a wasteful number, since it uses less digits than its factorization.

1049374440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1049374440 is about 32394.0494535648. The cubic root of 1049374440 is about 1016.1944700803.

The spelling of 1049374440 in words is "one billion, forty-nine million, three hundred seventy-four thousand, four hundred forty".